Real-Time U.S. Phone Validation and Lookup API

All-in-one simple service to validate U.S. phone numbers: carrier look-up, line type, portability status, geo and timezone.

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Phone Validation

Line Type

Carrier

GeoIP

Timezone

Portability Status

Routing Information

Cost per call

from $0.0007

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FRESH DATA FROM THE SOURCE

Requested numbers are checked against the latest (real-time) carrier records. In response you get a handy JSON with appended information about the line type (mobile, landline), carrier network, area code, timezone and more.

Here is what you get with one call:

GeoIP — provide an an ip with your request and get precise timezone information.
Location data — when ip is not supplied, you will receive geo and timezone data based on the area code of the phone you provided.
Line type — you will know if a number is invalid, mobile or landline.
Portability status — up to date number portability status.
Carrier DIP — carrier name and identifier code.
Routing information — local routing number, the most accurate information used for call or SMS routing.


{
  "input": {
    "phone_number": "8182925409",
    "date": "2023-10-01T19:28:02.000Z"
  },
  "validation_result": {
    "valid_mobile": true,
    "valid_landline": false
  },
  "nanp": {
    "line_type": "mobile"
  },
  "carrier_data": {
    "lookup_result": "success",
    "carrier": "AT&T Mobility",
    "line_type": "mobile",
    "line_sub_type": "WIRELESS",
    "ported": false,
    "lrn": "8182925409",
    "ocn": "6010"
  },
  "geo": {
    "source": "area-code",
    "country": "US",
    "state": "CA",
    "city": "agoura hills"
  },
  "timezone": {
    "tz": "America/Los_Angeles",
    "offset": 8
  }
}

Validate

Instantly find whether a phone number is valid or not. Don't spend money on messaging or calling it if it's not reachable.

Locate

Determine a timezone for the phone number provided. Find the best time to make an outreach and increase your conversion rate.

Reach

Optimize you communication strategy based on the enriched phone data.

WHY CHOOSE CHECKTHATPHONE?

Our data comes from "the live source", which means it is always reliable and up to date. We have built this service for ourselves and realized others can benefit from it too.

All-in-one Service
We have bundled multiple services into one to provide you with convenient access to the most valuable information for you daily operations.
Decrease Costs
Instantly cut your cost by not working with invalid phone numbers. There is no reason to SMS landlines or waste budget on reaching out when clients are asleep.
Best Rates
We process tens of millions of phone validations monthly for our clients. The compound volume allows us to get the best rates and pass the savings to you.
Total Data Privacy
We treat privacy seriously. So seriously than we don't even store your data. It is deleted right after your request is processed.

Ready to CheckThatPhone?

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