E.164 Country Calling Code
United States +1
Official telecommunications routing registry for United States. International dialing prefix is +1. Browse all regional numbering plan area codes below.
Current Local Time
00:48:20
America/New_York • UTC -04:00
Full Dialing Format
+1 (XXX) XXX-XXXX
International Prefix
+1
🌐
ISO Jurisdiction
US
MAP
Total Area Codes
439
⚡
Standard
ITU-T E.164
📜
⭐ Major Area Codes in United States
🗄️ All Numbering Plan Area Codes (NPA)
Select an area code to view local exchange registries, carrier mappings, and geographic zones
661
California
662
Mississippi
667
Maryland
669
California
672
British Columbia
678
Georgia
680
New York
681
West Virginia
682
Texas
683
Ontario
686
Virginia
689
Florida
701
North Dakota
702
Nevada
703
Virginia
704
North Carolina
705
Ontario
706
Georgia
707
California
708
Illinois
709
Newfoundland and Labrador
712
Iowa
7132
Texas
7133
Texas
7134
Texas
7135
Texas
7136
Houston, TX
7138
Texas
714
California
715
Wisconsin
716
New York
7168
Buffalo, NY
717
Pennsylvania
7185
New York
7186
New York
7188
New York
719
Colorado
720
Colorado
724
Pennsylvania
725
Nevada
726
San Antonio, TX
727
Florida
728
Palm Beach, FL
730
Illinois
731
Tennessee
732
New Jersey
734
Michigan
737
Texas
738
California
740
Ohio
