Sierra Vista Arizona Area Code
One area code covers Sierra Vista: 520.
The code covering Sierra Vista
| Area code | Primarily serves | In service |
|---|---|---|
| 520 | Phoenix | 1995 |
Scope the codes matched to Sierra Vista. Source geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot) and LocalCallingGuide NPA list (2026-07 NPA list). Updated . Overlay relationships come from the numbering-plan authority; the place match is computed.
Which part of town has which code
Sierra Vista has a single code, so there is nothing to divide — every local line carries 520.
ZIP codes for the same city
Postal geography is organised separately from telephone geography, so Sierra Vista’s 4 ZIP codes do not map onto the codes above. They are listed in full, with the county each falls in, on the postal side of the site.
Sierra Vista Arizona ZIP codes →
Nearby places with different codes
These are the closest places to Sierra Vista whose area codes are not the same set. If you are near one of them, a local number may carry a code that is not on the list above.
| City | Distance | Their area codes |
|---|---|---|
| Thatcher Arizona area codes | 92 mi | 928 |
| Safford Arizona area codes | 95 mi | 928 |
| Pima Arizona area codes | 96 mi | 928 |
| Winkelman Arizona area codes | 101 mi | 928 |
| Hayden Arizona area codes | 102 mi | 928 |
| Duncan Arizona area codes | 109 mi | 928 |
| Clifton Arizona area codes | 118 mi | 928 |
| Globe Arizona area codes | 129 mi | 928 |
Straight-line distance between place reference points, not driving distance.