🇺🇸 United States Phone Number Format
Complete guide to United States phone number format, including country code +1, area codes, and how to dial from abroad.
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United States Number Structure
+1 [Area] [Local Number]
+1
Country Code
XX
Area Code
XXXXXXX
Local Number
Components of United States Phone Numbers
Understanding each part of the number
| Component | Description | Digits |
|---|---|---|
| Country Code | International prefix for United States | +1 |
| Area/City Code | Regional identifier (varies by location) | 1-4 digits |
| Local Number | Subscriber number | 6-8 digits |
| Total Length | Full international number | 10-12 digits |
Mobile vs Landline Numbers
Different number types in United States
Mobile Numbers
- Often start with specific mobile prefixes
- Not tied to geographic location
- Prefix varies by carrier
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Landline Numbers
- Include geographic area codes
- Area code indicates city/region
- May start with 0 domestically
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Example United States Phone Numbers
Local vs international format
(0XX) XXX-XXXX
+1 XX XXX XXXX
Tip: Drop the leading 0 when dialing from abroad
How to Dial United States Numbers
Steps for calling from outside United States
Dial your exit code
011 from US, 00 from UK, or + on mobile
Dial United States's country code: 1
Routes your call to United States
Dial the area code (drop leading 0)
Geographic or mobile prefix
Dial the local number
The subscriber number
United States Phone Format FAQ
What is the phone number format for United States?
United States phone numbers use the format: +1 [Area Code] [Local Number]. The total length is typically 10-12 digits including the country code.
Do I drop the 0 when calling internationally?
Yes! When calling from outside United States, drop any leading 0 from the area code. The 0 is typically a trunk prefix used only for domestic calls.
More United States Calling Resources
Cheap Calls to Other North America Countries
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