The best tool to verify your mobile numbers

Carrier Lookup

We dip carriers and identify non-mobile numbers which include landlines, VOIP, fax lines, and other unreachable numbers. It also provides carrier names and IDs.

Deactivated/Suspended numbers

Identify numbers that are suspended, 30 or 90 days past due, or deactivated. Messages or calls will not get delivered to these numbers, and billed by carriers for delivery.

Watch how fast you can improve data quality and cut cost

Did you know SMS carriers charge you for commercial text messages whether they are delivered or not?

SubscriberVerify saves you money by identifying deactivated, suspended, invalid, inactive, and unreachable numbers in your database.

Test 100,000 records for $50

Upload a CSV for results in minutes, or get real-time lookups via our API. To let you evaluate our data, user interface, and API, we offer 100,000 look-ups for $50. You can order additional credits from your dashboard, with a volume discount.

Questions? Email us at [email protected]

Here are the facts:

  • Over 500,000 mobile phone numbers are suspended or deactivated each day in the US.

  • SMS carriers charge for commercial text messages, whether they are delivered or not.

  • 5~18% of SMS message delivery attempts fail

  • 600K telephone number porting transactions daily in the U.S.

  • Over 6.5 million phone numbers have been ported from landline to wireless.

Additional Features

Ported numbers

When a user or a subscriber changes carriers, SubscribeVerify provides the new carrier name and the date it was ported.

Identify timezone

SubscriberVerify provides the time zone of the phone number registered and geo-location.

Mobile Number Verification

Verify numbers that are not reachable such as fax lines, landlines, VOIP lines, etc.

Landline conditioned to send text messages

There is ~7% of landlines that can send or receive text messages. SubscriberVerify identifies them so that you can engage in SMS messages.

SubscriberVerify is an effective mobile phone number verification tool for a business to be able to communicate with their customers effectively.

SubscriberVerify saves you money by removing deactivated, suspended, inactive, invalid, and/or unreachable numbers from your phone number list. Most clients immediately save between 5% - 15% of their sending costs each month.

Test 100,000 records for $50

Upload a CSV for results in minutes, or get real-time lookups via our API. To let you evaluate our data, user interface, and API, we offer 100,000 look-ups for $50. You can order additional credits from your dashboard, with a volume discount.

Questions? Email us at [email protected]