What Is Our Global Phone Validation Coverage?

While we share general coverage and accuracy metrics for our Phone Validation API and other products here, this article provides a deeper look at the global coverage of our Phone Validation product.

For context, here is our Phone Validation coverage in the article referenced above.  #

*Coverage might vary depending on the country.

To elaborate, here’s the U.S.: #

For International (non-U.S.) Phone Validation: #

Non-U.S. Coverage Data for Carrier and Activity Score #

A couple ​​of clarifying items:  #

A country where Code Range is being used to determine the carrier is because the country doesn’t support number portability. Thus, the original carrier information assigned per number code range is accurate. There are a few exceptions for underpopulated countries, but for the most part, it is based on mobile and landline portability available in the specific country. 

HLR (Home Location Register) lookup data feeds directly into the Activity Score, as do other proprietary data signals because we work with various carriers worldwide and network enablers/aggregators. Low coverage means we see enough signals for less than 30% of the phone numbers circulating in that country. Medium coverage is between 30% and 70%, and high coverage occurs when there is sufficient activity for more than 70% of the numbers in that country. 

Together, these signals provide the best coverage and accuracy for global phone validation. Please contact us if you would like to run a data test to confirm these numbers or if you would like to learn more about Trestle’s coverage and accuracy.