Frequently Asked Questions

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

Yes. Enter a US phone number into our Phone Validator to check its format, line type, carrier, location, and DNC status in real time, at no cost.

Yes. PhoneValidatorUSA is designed specifically for US telephone numbers.

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

Yes. Your CSV can contain multiple columns. You can select the column containing the phone numbers before processing.

Yes. Your existing information can remain with your phone records while the validation results are added to the processed file.

Once your list has finished processing, your completed results file will be made available for download.

DNC stands for Do Not Call. The National Do Not Call (DNC) Registry is a list of consumers' phone numbers (landline, mobile, fax or VoIP) who do not wish to receive telemarketing calls, fax or text messages from marketers.

A DNC flag means that the phone number is in the Do Not Call Registry at the time it was checked. The result is provided to help you identify phone numbers that may require additional consideration before calling.

DNC status is included with your phone validation results, allowing you to review phone information and DNC status together.

Yes. Developers can use the PhoneValidatorUSA API to perform real-time phone validation and retrieve available phone data directly from their applications.

Yes. Our API is designed for real-time phone number validation, allowing you to check phone numbers directly from your own application or system without uploading a CSV file.

API documentation is available on our developer documentation page and includes information about authentication, requests, and responses.

Unlimited Access allows you to upload and process phone lists without paying a separate charge for each list. You can process your lists whenever you need while your subscription is active.

No. Unlimited Access does not charge separately for each list.

Yes. Pay-as-you-go processing is available for customers who prefer to process phone lists without an Unlimited Access subscription. You pay based on the number of phone numbers processed. See our Pay-As-You-Go pricing for current rates.

The minimum payment amount is $15.00. This minimum helps cover credit card processing fees.

No. We do not keep your uploaded phone list. Your list is used to provide the requested processing service and is permanently deleted from our server after processing.

We are committed to keeping your uploaded data confidential. Your list is processed for the requested service and then permanently deleted rather than being retained for future use.

No. Your original uploaded file is not retained after processing. The completed results are provided for download before the uploaded source file is removed.

Depending on the service and available data, results may include phone validation status, line type, carrier, city, state, and DNC status.

Yes. Processed CSV results can be downloaded and imported into systems that support CSV files, including many CRM and marketing applications. You can also integrate PhoneValidatorUSA with your systems using our Phone Validation API for real-time validation.

The result will indicate the available validation information for that phone number. Data availability can vary depending on the number and the information available from the underlying data sources.

If you have already paid and your list has finished processing, you can download your results again within 24 hours using your PayPal Order ID.

Use the following link format:

https://phonevalidatorusa.com/download/YourPayPalOrderID/

Your PayPal Order ID can be found in your PayPal payment confirmation email.