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We understand how important it is to reach out to clients in a timely manner.

For this purpose, we created a free, easy-to-use phone verification tool that will ultimately lead to increased customer satisfaction, better retention, improved productivity and life-time value.

Phone number validation will also give you details about the type of number (landline or mobile), the carrier and GEO location.

Yes, the phone verification tool checks both personal and business numbers.

I'll update this if I get around to create a regular expression based on the ITU E.164 numbering.

If your organization is looking to broaden its telecommunication strategy, or you require phone numbers to interact with customers, then the phone verification tool will ensure that the numbers you collect are accurate before you pick up the phone or send a text message.

The explosion in mobile usage has fundamentally changed the way people interact with brands.

For land lines, replace the plus with the international access code for the country you are dialing from. It contains all current country codes and codes reserved for future use.

Note that this DOES NOT take into account national number plan rules - specifically, it allows zeros and ones in locations that national number plans may not allow and also allows number lengths greater than the national number plan for some countries (e.g., the US). The following regex is based on ITU-T E.164 and Annex to ITU Operational Bulletin No. While it could be shortened a bit, I decided to include each code independently. For other countries, replace the international access code (the 011 at the beginning of the regex) with whatever is appropriate for that country's dialing plan.

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