US Area Codes — Complete List
by State (2026)
The United States has over 330 area codes across all 50 states and the District of Columbia. Find any area code below or search by code, state, or city.
US area codes are part of the North American Numbering Plan (NANP), which was established in 1947 to simplify long-distance calling across the United States, Canada, and other participating countries. Each area code is a three-digit prefix that identifies a specific geographic region. As demand for phone numbers has grown with mobile phones and internet services, many areas have received additional overlay codes that serve the same geographic region.
A
Alabama
5 area codesAlaska
1 area codeArizona
5 area codesArkansas
3 area codesC
California
36 area codesColorado
4 area codesConnecticut
4 area codesD
Delaware
1 area codeF
Florida
17 area codesG
Georgia
10 area codesH
Hawaii
1 area codeI
Idaho
2 area codesIllinois
15 area codesIndiana
8 area codesIowa
5 area codesK
Kansas
4 area codesKentucky
5 area codesL
Louisiana
5 area codesM
Maine
1 area codeMaryland
5 area codesMassachusetts
9 area codesMichigan
12 area codesMinnesota
7 area codesMississippi
4 area codesMissouri
6 area codesMontana
1 area codeN
Nebraska
3 area codesNevada
3 area codesNew Hampshire
1 area codeNew Jersey
10 area codesNew Mexico
2 area codesNew York
19 area codesNorth Carolina
9 area codesNorth Dakota
1 area codeO
Ohio
14 area codesOklahoma
5 area codesOregon
4 area codesP
Pennsylvania
14 area codesR
Rhode Island
1 area codeS
South Carolina
5 area codesSouth Dakota
1 area codeT
Tennessee
7 area codesTexas
27 area codesU
Utah
3 area codesV
Vermont
1 area codeVirginia
8 area codesW
Washington
6 area codesWashington DC
1 area codeWest Virginia
2 area codesWisconsin
6 area codesWyoming
1 area codeUS Area Code Map
Interactive map of US area codes by state and region.
Interactive map coming soon
Frequently Asked Questions About US Area Codes
How many area codes does the US have?
What is an area code?
How are US area codes assigned?
0 or 1 as the
middle digit were assigned to geographic regions, with more populated areas receiving
codes that were faster to dial on rotary phones (lower digits = shorter dial time).
For example, New York City got 212 and Los Angeles got 213.
Today, new area codes are typically added as overlays to existing areas when the
supply of available numbers runs low, rather than splitting the existing area.