Plainfield New Jersey Area Code
One area code covers Plainfield: 908.
The code covering Plainfield
| Area code | Primarily serves | In service |
|---|---|---|
| 908 | Newark | 1990 |
Scope the codes matched to Plainfield. 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
Plainfield has a single code, so there is nothing to divide — every local line carries 908.
ZIP codes for the same city
Postal geography is organised separately from telephone geography, so Plainfield’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.
Plainfield New Jersey ZIP codes →
Nearby places with different codes
These are the closest places to Plainfield 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 |
|---|---|---|
| South Plainfield New Jersey area codes | 2.8 mi | 732, 848, 908 |
| Dunellen New Jersey area codes | 3.1 mi | 732, 848, 908 |
| Warren New Jersey area codes | 5.1 mi | 732, 848, 908 |
| Middlesex New Jersey area codes | 5.2 mi | 732, 848 |
| Metuchen New Jersey area codes | 5.8 mi | 732, 848 |
| New Providence New Jersey area codes | 5.8 mi | 862, 908, 973 |
| Rahway New Jersey area codes | 7.1 mi | 732, 848, 908 |
| Bound Brook New Jersey area codes | 7.2 mi | 732, 848 |
Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.