Phone Validator + DNC Screening

Validate US phone numbers. Know the line type, carrier, location and DNC status before you contact them. Check individual numbers instantly or process entire phone lists with fast, reliable results.

Validate a Phone Number

Enter a US phone number and instantly check its format, line type, carrier, location, and US FTC DNC status.

Validate Entire Phone List

Upload your CSV phone list and validate thousands of numbers at once.

Upload Your Phone List

Upload your CSV file and select the phone field to get your processing quote.

Format    Line Type    Carrier    Location    DNC

More Than Just Your Phone Validator

Get the phone information you need to validate, understand, and improve your calling lists.

Format Checking

Check whether a phone number has a valid US telephone format.

Line Type Checking

Determine whether a number is mobile, landline, VoIP or another supported line type.

Carrier Appending

Add carrier information to your phone records for better data enrichment.

Location

Identify the associated city and state for supported US phone numbers.

DNC Flagging

Check phone numbers against the National Do Not Call Registry to help support your TCPA compliance efforts.

Unlimited US Phone Validator

Upload and validate unlimited phone lists with PhoneValidatorUSA. There are no per-list charges, so you can process as many lists as you need, whenever you need them.

1
UPLOAD

Upload your phone list.

2
VALIDATE

Check format and line type.

3
APPEND AND SCREEN

Add carrier, location, and DNC status.

4
DOWNLOAD

Download your processed CSV.

Get Unlimited Access

Put PhoneValidatorUSA to work in your application

Developers can integrate phone validation and DNC flagging directly into their applications using the PhoneValidatorUSA API. Validate phone numbers in real time and access essential phone data without having to build or maintain your own phone-data infrastructure.

Explore the API

Frequently Asked Questions

PhoneValidatorUSA can check phone format and line type, provide carrier and location information, and flag numbers that appear on the National Do Not Call Registry.

Yes. You can upload a CSV file and process your phone list in batch, then download the processed results.

Yes. Developers can use the API to perform real-time phone validation directly from their applications.

Yes. PhoneValidatorUSA is designed specifically for US telephone numbers.
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