INTERNATIONAL CALLING CODES

United States city and number prefixes

Search documented cities, regions and telephone prefixes. These are numbering references, not numbers available to buy.

United StatesCountry calling code: +1

6 of 29106 documented prefixes

Zionsville, INCity / region number prefixes
Number prefix317733International: +1317733
Zionsville, INCity / region number prefixes
Number prefix317873International: +1317873
Zolfo Springs, FLCity / region number prefixes
Number prefix863735International: +1863735
Zumbrota, MNCity / region number prefixes
Number prefix507732International: +1507732
Zuni, NMCity / region number prefixes
Number prefix505782International: +1505782
Zwolle, LACity / region number prefixes
Number prefix318645International: +1318645

Area codes identify dialing regions. More detailed number prefixes identify allocated ranges and may include subscriber digits. City coverage varies by country; a prefix does not establish a subscriber’s current location or available numbers.

National numbering plan Numbering reference