Smithfield Utah Area Code
One area code covers Smithfield: 435.
The code covering Smithfield
| Area code | Primarily serves | In service |
|---|---|---|
| 435 | Logan | 1997 |
Scope the codes matched to Smithfield. 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
Smithfield has a single code, so there is nothing to divide — every local line carries 435.
ZIP codes for the same city
Postal geography is organised separately from telephone geography, so Smithfield’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 Smithfield 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 |
|---|---|---|
| Huntsville Utah area codes | 40 mi | 385, 801 |
| Ogden Utah area codes | 43 mi | 385, 801 |
| Roy Utah area codes | 47 mi | 385, 801 |
| Clearfield Utah area codes | 52 mi | 385, 801 |
| Layton Utah area codes | 53 mi | 385, 801 |
| Syracuse Utah area codes | 53 mi | 385, 801 |
| Hooper Utah area codes | 54 mi | 385, 801 |
| Morgan Utah area codes | 55 mi | 385, 801 |
Straight-line distance between place reference points, not driving distance.