{
  "name": "US and Canada area codes",
  "description": "In-service area codes for the United States (including territories), Canada and NANP-wide services such as toll-free, plus assigned codes not yet in service, from the NANPA NPA Database.",
  "url": "https://checkthatphone.com/area-codes",
  "source": {
    "name": "NANPA NPA Database",
    "publisher": "North American Numbering Plan Administrator (NANPA)",
    "url": "https://www.nanpa.com/reports/npa-reports",
    "fileDate": "2026-10-10"
  },
  "dateModified": "2026-10-10",
  "notes": [
    "timeZones are NANPA's predominant standard-time zones for each code; parts of a code's area can be in another zone, and no daylight saving time information is included.",
    "An inServiceDate of 1947-01-01 (originalCode: true) marks the original 1947 area codes, not an exact date.",
    "For planned codes, inServiceDate is the scheduled date, or null when NANPA has not set one.",
    "corrections lists where a record differs from NANPA's own row because other NANPA rows contradict it (for example, an overlay listed on only one of its codes)."
  ],
  "timeZoneUtcOffsets": {
    "Chamorro": "+10:00",
    "Newfoundland": "-03:30",
    "Atlantic": "-04:00",
    "Eastern": "-05:00",
    "Central": "-06:00",
    "Mountain": "-07:00",
    "Pacific": "-08:00",
    "Alaska": "-09:00",
    "Hawaii-Aleutian": "-10:00",
    "Samoa": "-11:00"
  },
  "counts": {
    "inService": 465,
    "usGeographic": 372,
    "usTerritories": 6,
    "canadaGeographic": 55,
    "tollFree": 7,
    "nonGeographic": 25,
    "planned": 7
  },
  "codes": [
    {"npa":"201","country":"US","countryName":"United States","regions":["NJ"],"regionName":"New Jersey","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["551"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"202","country":"US","countryName":"United States","regions":["DC"],"regionName":"District of Columbia","regionType":"district","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["771"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"203","country":"US","countryName":"United States","regions":["CT"],"regionName":"Connecticut","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["475"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"204","country":"CA","countryName":"Canada","regions":["MB"],"regionName":"Manitoba","regionType":"province","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Central"],"timeZoneNote":null,"overlays":["431","584"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"205","country":"US","countryName":"United States","regions":["AL"],"regionName":"Alabama","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Central"],"timeZoneNote":null,"overlays":["659"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"206","country":"US","countryName":"United States","regions":["WA"],"regionName":"Washington","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Pacific"],"timeZoneNote":null,"overlays":["564"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"207","country":"US","countryName":"United States","regions":["ME"],"regionName":"Maine","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":false,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"208","country":"US","countryName":"United States","regions":["ID"],"regionName":"Idaho","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Mountain","Pacific"],"timeZoneNote":null,"overlays":["986"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"209","country":"US","countryName":"United States","regions":["CA"],"regionName":"California","regionType":"state","type":"geographic","service":null,"inServiceDate":"1958-01-01","originalCode":false,"timeZones":["Pacific"],"timeZoneNote":null,"overlays":["350"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"210","country":"US","countryName":"United States","regions":["TX"],"regionName":"Texas","regionType":"state","type":"geographic","service":null,"inServiceDate":"1992-11-01","originalCode":false,"timeZones":["Central"],"timeZoneNote":null,"overlays":["726"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"212","country":"US","countryName":"United States","regions":["NY"],"regionName":"New York","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["332","646","917"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"213","country":"US","countryName":"United States","regions":["CA"],"regionName":"California","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Pacific"],"timeZoneNote":null,"overlays":["323","738"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"214","country":"US","countryName":"United States","regions":["TX"],"regionName":"Texas","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Central"],"timeZoneNote":null,"overlays":["469","945","972"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"215","country":"US","countryName":"United States","regions":["PA"],"regionName":"Pennsylvania","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["267","445"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"216","country":"US","countryName":"United States","regions":["OH"],"regionName":"Ohio","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":false,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"217","country":"US","countryName":"United States","regions":["IL"],"regionName":"Illinois","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Central"],"timeZoneNote":null,"overlays":["447"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"218","country":"US","countryName":"United States","regions":["MN"],"regionName":"Minnesota","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Central"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"219","country":"US","countryName":"United States","regions":["IN"],"regionName":"Indiana","regionType":"state","type":"geographic","service":null,"inServiceDate":"1948-01-01","originalCode":false,"timeZones":["Eastern","Central"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"220","country":"US","countryName":"United States","regions":["OH"],"regionName":"Ohio","regionType":"state","type":"geographic","service":null,"inServiceDate":"2015-04-22","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["740"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"223","country":"US","countryName":"United States","regions":["PA"],"regionName":"Pennsylvania","regionType":"state","type":"geographic","service":null,"inServiceDate":"2017-09-26","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["717"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"224","country":"US","countryName":"United States","regions":["IL"],"regionName":"Illinois","regionType":"state","type":"geographic","service":null,"inServiceDate":"2002-01-05","originalCode":false,"timeZones":["Central"],"timeZoneNote":null,"overlays":["847"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"225","country":"US","countryName":"United States","regions":["LA"],"regionName":"Louisiana","regionType":"state","type":"geographic","service":null,"inServiceDate":"1998-08-17","originalCode":false,"timeZones":["Central"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":false,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"226","country":"CA","countryName":"Canada","regions":["ON"],"regionName":"Ontario","regionType":"province","type":"geographic","service":null,"inServiceDate":"2006-10-21","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["382","519","548"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"227","country":"US","countryName":"United States","regions":["MD"],"regionName":"Maryland","regionType":"state","type":"geographic","service":null,"inServiceDate":"2023-06-14","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["240","301"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"228","country":"US","countryName":"United States","regions":["MS"],"regionName":"Mississippi","regionType":"state","type":"geographic","service":null,"inServiceDate":"1997-09-15","originalCode":false,"timeZones":["Central"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":false,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"229","country":"US","countryName":"United States","regions":["GA"],"regionName":"Georgia","regionType":"state","type":"geographic","service":null,"inServiceDate":"2000-08-01","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":false,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"231","country":"US","countryName":"United States","regions":["MI"],"regionName":"Michigan","regionType":"state","type":"geographic","service":null,"inServiceDate":"1999-06-05","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":false,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"234","country":"US","countryName":"United States","regions":["OH"],"regionName":"Ohio","regionType":"state","type":"geographic","service":null,"inServiceDate":"2000-10-30","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["330"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"235","country":"US","countryName":"United States","regions":["MO"],"regionName":"Missouri","regionType":"state","type":"geographic","service":null,"inServiceDate":"2024-03-24","originalCode":false,"timeZones":["Central"],"timeZoneNote":null,"overlays":["573"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"236","country":"CA","countryName":"Canada","regions":["BC"],"regionName":"British Columbia","regionType":"province","type":"geographic","service":null,"inServiceDate":"2013-06-01","originalCode":false,"timeZones":["Pacific"],"timeZoneNote":null,"overlays":["250","257","604","672","778"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"239","country":"US","countryName":"United States","regions":["FL"],"regionName":"Florida","regionType":"state","type":"geographic","service":null,"inServiceDate":"2002-03-11","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":false,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"240","country":"US","countryName":"United States","regions":["MD"],"regionName":"Maryland","regionType":"state","type":"geographic","service":null,"inServiceDate":"1997-06-01","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["227","301"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"248","country":"US","countryName":"United States","regions":["MI"],"regionName":"Michigan","regionType":"state","type":"geographic","service":null,"inServiceDate":"1997-05-10","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["947"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"249","country":"CA","countryName":"Canada","regions":["ON"],"regionName":"Ontario","regionType":"province","type":"geographic","service":null,"inServiceDate":"2011-03-19","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["683","705"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"250","country":"CA","countryName":"Canada","regions":["BC"],"regionName":"British Columbia","regionType":"province","type":"geographic","service":null,"inServiceDate":"1996-10-19","originalCode":false,"timeZones":["Pacific"],"timeZoneNote":null,"overlays":["236","257","672","778"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"251","country":"US","countryName":"United States","regions":["AL"],"regionName":"Alabama","regionType":"state","type":"geographic","service":null,"inServiceDate":"2001-06-18","originalCode":false,"timeZones":["Central"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"252","country":"US","countryName":"United States","regions":["NC"],"regionName":"North Carolina","regionType":"state","type":"geographic","service":null,"inServiceDate":"1998-03-22","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":false,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"253","country":"US","countryName":"United States","regions":["WA"],"regionName":"Washington","regionType":"state","type":"geographic","service":null,"inServiceDate":"1997-04-27","originalCode":false,"timeZones":["Pacific"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"254","country":"US","countryName":"United States","regions":["TX"],"regionName":"Texas","regionType":"state","type":"geographic","service":null,"inServiceDate":"1997-05-25","originalCode":false,"timeZones":["Central"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"256","country":"US","countryName":"United States","regions":["AL"],"regionName":"Alabama","regionType":"state","type":"geographic","service":null,"inServiceDate":"1998-03-23","originalCode":false,"timeZones":["Central"],"timeZoneNote":null,"overlays":["938"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"257","country":"CA","countryName":"Canada","regions":["BC"],"regionName":"British Columbia","regionType":"province","type":"geographic","service":null,"inServiceDate":"2025-05-24","originalCode":false,"timeZones":["Pacific"],"timeZoneNote":null,"overlays":["236","250","604","672","778"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"260","country":"US","countryName":"United States","regions":["IN"],"regionName":"Indiana","regionType":"state","type":"geographic","service":null,"inServiceDate":"2002-01-15","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":false,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"262","country":"US","countryName":"United States","regions":["WI"],"regionName":"Wisconsin","regionType":"state","type":"geographic","service":null,"inServiceDate":"1999-09-25","originalCode":false,"timeZones":["Central"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"263","country":"CA","countryName":"Canada","regions":["QC"],"regionName":"Quebec","regionType":"province","type":"geographic","service":null,"inServiceDate":"2022-10-22","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["438","514"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"267","country":"US","countryName":"United States","regions":["PA"],"regionName":"Pennsylvania","regionType":"state","type":"geographic","service":null,"inServiceDate":"1999-07-01","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["215","445"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"269","country":"US","countryName":"United States","regions":["MI"],"regionName":"Michigan","regionType":"state","type":"geographic","service":null,"inServiceDate":"2002-07-13","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":false,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"270","country":"US","countryName":"United States","regions":["KY"],"regionName":"Kentucky","regionType":"state","type":"geographic","service":null,"inServiceDate":"1999-04-19","originalCode":false,"timeZones":["Eastern","Central"],"timeZoneNote":null,"overlays":["364"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"272","country":"US","countryName":"United States","regions":["PA"],"regionName":"Pennsylvania","regionType":"state","type":"geographic","service":null,"inServiceDate":"2013-10-21","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["570"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"274","country":"US","countryName":"United States","regions":["WI"],"regionName":"Wisconsin","regionType":"state","type":"geographic","service":null,"inServiceDate":"2023-05-05","originalCode":false,"timeZones":["Central"],"timeZoneNote":null,"overlays":["920"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"276","country":"US","countryName":"United States","regions":["VA"],"regionName":"Virginia","regionType":"state","type":"geographic","service":null,"inServiceDate":"2001-09-01","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"279","country":"US","countryName":"United States","regions":["CA"],"regionName":"California","regionType":"state","type":"geographic","service":null,"inServiceDate":"2018-03-10","originalCode":false,"timeZones":["Pacific"],"timeZoneNote":null,"overlays":["916"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"281","country":"US","countryName":"United States","regions":["TX"],"regionName":"Texas","regionType":"state","type":"geographic","service":null,"inServiceDate":"1996-11-02","originalCode":false,"timeZones":["Central"],"timeZoneNote":null,"overlays":["346","621","713","832"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"283","country":"US","countryName":"United States","regions":["OH"],"regionName":"Ohio","regionType":"state","type":"geographic","service":null,"inServiceDate":"2023-04-28","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["513"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"289","country":"CA","countryName":"Canada","regions":["ON"],"regionName":"Ontario","regionType":"province","type":"geographic","service":null,"inServiceDate":"2001-06-09","originalCode":false,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["365","742","905"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"301","country":"US","countryName":"United States","regions":["MD"],"regionName":"Maryland","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["227","240"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"302","country":"US","countryName":"United States","regions":["DE"],"regionName":"Delaware","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"303","country":"US","countryName":"United States","regions":["CO"],"regionName":"Colorado","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Mountain"],"timeZoneNote":null,"overlays":["720","983"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"304","country":"US","countryName":"United States","regions":["WV"],"regionName":"West Virginia","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["681"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"305","country":"US","countryName":"United States","regions":["FL"],"regionName":"Florida","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["645","786"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"306","country":"CA","countryName":"Canada","regions":["SK"],"regionName":"Saskatchewan","regionType":"province","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Central"],"timeZoneNote":null,"overlays":["474","639"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"307","country":"US","countryName":"United States","regions":["WY"],"regionName":"Wyoming","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Mountain"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":false,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"308","country":"US","countryName":"United States","regions":["NE"],"regionName":"Nebraska","regionType":"state","type":"geographic","service":null,"inServiceDate":"1955-01-01","originalCode":false,"timeZones":["Central","Mountain"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":false,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"309","country":"US","countryName":"United States","regions":["IL"],"regionName":"Illinois","regionType":"state","type":"geographic","service":null,"inServiceDate":"1957-01-01","originalCode":false,"timeZones":["Central"],"timeZoneNote":null,"overlays":["861"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"310","country":"US","countryName":"United States","regions":["CA"],"regionName":"California","regionType":"state","type":"geographic","service":null,"inServiceDate":"1991-11-02","originalCode":false,"timeZones":["Pacific"],"timeZoneNote":null,"overlays":["424"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"312","country":"US","countryName":"United States","regions":["IL"],"regionName":"Illinois","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Central"],"timeZoneNote":null,"overlays":["872"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"313","country":"US","countryName":"United States","regions":["MI"],"regionName":"Michigan","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["679"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"314","country":"US","countryName":"United States","regions":["MO"],"regionName":"Missouri","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Central"],"timeZoneNote":null,"overlays":["557"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"315","country":"US","countryName":"United States","regions":["NY"],"regionName":"New York","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["680"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"316","country":"US","countryName":"United States","regions":["KS"],"regionName":"Kansas","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Central"],"timeZoneNote":null,"overlays":[],"tenDigitLocalDialing":false,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"317","country":"US","countryName":"United States","regions":["IN"],"regionName":"Indiana","regionType":"state","type":"geographic","service":null,"inServiceDate":"1947-01-01","originalCode":true,"timeZones":["Eastern"],"timeZoneNote":null,"overlays":["463"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
    {"npa":"318","country":"US","countryName":"United States","regions":["LA"],"regionName":"Louisiana","regionType":"state","type":"geographic","service":null,"inServiceDate":"1957-01-01","originalCode":false,"timeZones":["Central"],"timeZoneNote":null,"overlays":["457"],"tenDigitLocalDialing":true,"reliefPlanningInProgress":false,"corrections":[]},
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