Olivia Minnesota Area Code
One area code covers Olivia: 320.
The code covering Olivia
| Area code | Primarily serves | In service |
|---|---|---|
| 320 | Willmar | 1996 |
Scope the codes matched to Olivia. 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
Olivia has a single code, so there is nothing to divide — every local line carries 320.
ZIP codes for the same city
Postal geography is organised separately from telephone geography, so Olivia’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 Olivia 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 |
|---|---|---|
| Morton Minnesota area codes | 16 mi | 507, 924 |
| Redwood Falls Minnesota area codes | 17 mi | 507, 924 |
| Franklin Minnesota area codes | 18 mi | 507, 924 |
| Belview Minnesota area codes | 20 mi | 507, 924 |
| Fairfax Minnesota area codes | 22 mi | 507, 924 |
| Echo Minnesota area codes | 23 mi | 507, 924 |
| Morgan Minnesota area codes | 25 mi | 507, 924 |
| Seaforth Minnesota area codes | 27 mi | 507, 924 |
Straight-line distance between place reference points, not driving distance.