Convert a list of 10 digit phone numbers to any popular format you like for free.
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.
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.
Local
456-7890
Domestic
212-456-7890
International
+1-212-456-7890
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.
Check out the Sigma Voice blog to learn about mass calling and texting best practices.
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