State directory / Arizona
US number directory / Arizona
Arizona
area codes
NANPA records 5 active geographic area codes for Arizona, including 602 from 1947.
5geographic area codes
in this reference
in this reference
Earliest listed602 · 1947
Standard timeMT
Overlays in this stateYes — see code notes
Major city starting points
Phoenix (capital and largest city): 480, 602, 623.
| City | Reference role | Codes to check |
|---|---|---|
| Phoenix | Capital and largest city | 480, 602, 623 |
City reference · 2026-10-25
Codes, cities & coverage
Arizona's active territorial overlay complexes are 480/602/623.
| Code | Region / major cities named in the reference | Introduced | Active overlay complexes |
|---|---|---|---|
| 480 | Arizona ( Phoenix metropolitan area ; primarily the East Valley ) | 01-Mar-1999 | 480/602/623 |
| 520 | Arizona ( Tucson , Nogales , Fort Huachuca , and most of southeastern Arizona) | 19-Mar-1995 | None active in NANPA snapshot |
| 602 | Arizona ( Phoenix metropolitan area ; primarily the city of Phoenix ) | 01-Jan-1947 | 480/602/623 |
| 623 | Arizona ( Phoenix metropolitan area ; primarily the West Valley ) | 01-Mar-1999 | 480/602/623 |
| 928 | Arizona (except for Phoenix metropolitan area , Tucson metropolitan area , and some areas west and south of Tucson ) | 23-Jun-2001 | None active in NANPA snapshot |
NANPA dates & overlays · 2026-10-25
Wikipedia geography · 2026-10-25 · CC BY-SA 4.0
Time zones
Arizona spans 1 standard-time offset in the state reference: MT.
| Standard offset | Region | Daylight saving |
|---|---|---|
| UTC−07:00 MT | Mountain Standard Time . Except for the Navajo Nation , Arizona does not observe DST. | Part |