US Area Codes
A complete directory of all telephone area codes in the United States.
Try searching for (555) 123-4567...
Browse every active area code in the United States, organized by state. Click any state to explore its coverage details, or tap an area code to view location data, time zones, and service information.
Exploring the telecommunications landscape of the United Kingdom provides insight into a sophisticated network of regional and national area codes.
Our directory covers every province and region, providing detailed mapping and location data for all active exchanges.
Whether you are looking for business hubs in major cities or residential codes in rural areas, this comprehensive guide
is updated to reflect the latest numbering plan adjustments and overlays in the United Kingdom.
A
5 states
C
3 states
F
1 state
I
4 states
M
8 states
Mississippi
4 codes
N
9 states
O
3 states
P
3 states
R
1 state
Rhode Island
1 codes
S
2 states
South Carolina
4 codes
South Dakota
1 codes
T
3 states