United States Telephone Number Format
Ultimate united states telephone number format tool. Check american format phone number, united states phone number format, phone number format usa, format for us phone number, and understand overseas phone number format and how to format international phone numbers.
Phone Format & Valid Telephone Number Format
Input raw digits with or without area codes or extensions to generate a valid format phone number.
Standard Output Formats (phone number layout & phone number spacing):
Overseas Phone Number Format & Foreign Phone Number Format
Learn format international phone number country code and how to format international phone numbers according to the ITU-T E.164 standard.
| Country / Region | Country Code | National Format | International Format | Writing Standard |
|---|---|---|---|---|
| United States / Canada (NANP) | +1 | (415) 555-0199 | +1 415 555 0199 | us phone number format example |
| United Kingdom (UK) | +44 | 020 7946 0991 | +44 20 7946 0991 | Drop leading 0 internationally |
| Australia | +61 | 0491 570 156 | +61 491 570 156 | mobile telephone number format |
| Germany | +49 | 030 123456 | +49 30 123456 | DIN 5008 spacing standard |
| Indonesia | +62 | 0812-3456-7890 | +62 812 3456 7890 | mobile number writing format |
US Phone Numbers Format & Standards FAQ
What is the standard united states telephone number format?
The standard united states telephone number format (and us phone numbers format) consists of a 1-digit country code (+1), a 3-digit Area Code (NPA), a 3-digit Central Office code (NXX), and a 4-digit line number: (NPA) NXX-XXXX. This is governed by the North American Numbering Plan (NANP).
What is united states cell phone number format vs landline?
In the US, united states cell phone number format uses the exact same 10-digit structure as landlines (phone number with area code format). Unlike some countries with dedicated mobile prefixes (e.g. 08xx or 07xx), American mobile numbers are integrated directly into geographic area codes.
How does phone number country code format work overseas?
The phone number country code format follows the ITU-T E.164 international standard. When dialing overseas, replace the international exit code with a plus sign (+) followed by the country code (1 for US, 44 for UK), omitting any leading trunk 0.
What is telephone number layout & phone number standard?
A consistent phone number standard and telephone number layout improves form validation and mobile click-to-call usability. Including extensions with ext. ensures automated PBX phone routing functions seamlessly.