Support Center

We’re here for you. Find answers and advice for getting the most out of TeleSign.

What is the maximum length of any phone number?

Last Updated: Jul 12, 2017 04:45AM UTC

In the United States and other countries participating in NANP, the maximum length of a phone number is 10 digits. Internationally, phone lengths vary, but the ITU E.164 states that phone numbers around the globe are recommended to not be longer than 15 digits.

Contact Us
seconds ago
a minute ago
minutes ago
an hour ago
hours ago
a day ago
days ago
Invalid characters found