Westphalia Iowa Area Code
One area code covers Westphalia: 712.
The code covering Westphalia
| Area code | Primarily serves | In service |
|---|---|---|
| 712 | Sioux City | 1947 |
Scope the codes matched to Westphalia. 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
Westphalia has a single code, so there is nothing to divide — every local line carries 712.
ZIP codes for the same city
Postal geography is organised separately from telephone geography, so Westphalia’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.
Nearby places with different codes
These are the closest places to Westphalia 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 |
|---|---|---|
| Anita Iowa area codes | 38 mi | 641 |
| Adair Iowa area codes | 42 mi | 641 |
| Bayard Iowa area codes | 44 mi | 641, 712 |
| Guthrie Center Iowa area codes | 46 mi | 641 |
| Casey Iowa area codes | 47 mi | 641 |
| Bridgewater Iowa area codes | 50 mi | 641, 712 |
| Bagley Iowa area codes | 50 mi | 641 |
| Fontanelle Iowa area codes | 52 mi | 641 |
Straight-line distance between place reference points, not driving distance.