Get your 30 day free trial with 100 free calls! Sign Up Free

Call or text all your customers, employees and members real fast

Last Updated: Sat, Sep 24, 2022

Free Phone Number Formatter For CAN & US

Convert a list of 10 digit phone numbers to any popular format you like for free.

Sigma Voice is a service provider of automated calling and mass texting.

Phone Number Formatter

Copy and paste your phone numbers then click submit to convert to (XXX) XXX-XXXX format.

Process up to 100 phone numbers at a time.

North American Phone Numbers

The acceptable format of phone numbers for the US, Canada and other NANP (North American Numbering Plan) countries is to enclose the area code in parentheses followed by a nonbreaking space, and then hyphenate the three-digit exchange code with the four-digit number.

Recommended: (415) 555-0132


Some frequently asked questions.







Both the U.S. and Canada use NANP (North American Numbering Plan) which is the commonly accepted formatting of phone numbers.


'NPA' is the area code. 'NXX' is the central office code and 'XXXX' is the remaining subscriber number personal to each phone number.


Robo-Call Pricing: How Much Does It Cost?

Last Updated: Tue, Sep 13, 2022

With so many different types of robocall pricing, how do you know if you're getting the best deal? Read our guide to help you decide!


7 Steps to Creating an Effective Automated Phone Survey

Last Updated: Sat, Sep 17, 2022

We've created a step-by-step process on how to perform an effective automated phone survey. Get started today!


Grow Your Church Faster With A Phone Tree

Last Updated: Thu, Sep 15, 2022

Learn how an easy-to-use and effective church communication system can help increase the size of your Church.