Hillsdale Oklahoma Area Code
One area code covers Hillsdale: 580.
The code covering Hillsdale
| Area code | Primarily serves | In service |
|---|---|---|
| 580 | Lawton | 1997 |
Scope the codes matched to Hillsdale. 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
Hillsdale has a single code, so there is nothing to divide — every local line carries 580.
ZIP codes for the same city
Postal geography is organised separately from telephone geography, so Hillsdale’s 1 ZIP code 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.
Hillsdale Oklahoma ZIP codes →
Nearby places with different codes
These are the closest places to Hillsdale 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 |
|---|---|---|
| Hennessey Oklahoma area codes | 32 mi | 405, 572 |
| Dover Oklahoma area codes | 41 mi | 405, 572 |
| Loyal Oklahoma area codes | 41 mi | 405, 572 |
| Hitchcock Oklahoma area codes | 46 mi | 405, 572, 580 |
| Crescent Oklahoma area codes | 48 mi | 405, 572 |
| Mulhall Oklahoma area codes | 48 mi | 405, 572 |
| Kingfisher Oklahoma area codes | 50 mi | 405, 572 |
| Cashion Oklahoma area codes | 56 mi | 405, 572 |
Straight-line distance between place reference points, not driving distance.