United States Country Code: +1
The country code for United States is +1
Country code +1 is for United States
Quick Reference
Number Formats
+1 (XXX) XXX-XXXXStarts with No specific prefix - mobiles use same area codes as landlines
+1 (XXX) XXX-XXXXStarts with No specific prefix - all numbers use 3-digit area codes
Major Cities & Area Codes
212, 646, 718, 917Manhattan uses 212 and 646
Dial: +1 212, 646, 718, 917 XXX XXXX
213, 310, 323, 424Downtown LA uses 213
Dial: +1 213, 310, 323, 424 XXX XXXX
312, 773, 872Loop area uses 312
Dial: +1 312, 773, 872 XXX XXXX
713, 281, 832Inner city uses 713
Dial: +1 713, 281, 832 XXX XXXX
602, 480, 623Central Phoenix uses 602
Dial: +1 602, 480, 623 XXX XXXX
415, 628City proper uses 415
Dial: +1 415, 628 XXX XXXX
305, 786Miami-Dade County
Dial: +1 305, 786 XXX XXXX
202District of Columbia only
Dial: +1 202 XXX XXXX
617, 857City center uses 617
Dial: +1 617, 857 XXX XXXX
206Seattle proper only
Dial: +1 206 XXX XXXX
Quick Tips
- Always dial all 10 digits (area code + number) even for local calls
- No difference between mobile and landline formats - both use area codes
- Toll-free numbers start with 800, 888, 877, 866, 855, 844, or 833
- Drop the +1 when calling within the US, just dial 10 digits
Important Note
Mobile and landline numbers look identical and share the same area codes. All calls require 10-digit dialing across the country.
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