Sullivan City Texas Area Code
One area code covers Sullivan City: 956.
The code covering Sullivan City
| Area code | Primarily serves | In service |
|---|---|---|
| 956 | Laredo | 1997 |
Scope the codes matched to Sullivan City. 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
Sullivan City has a single code, so there is nothing to divide — every local line carries 956.
ZIP codes for the same city
Postal geography is organised separately from telephone geography, so Sullivan City’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.
Sullivan City Texas ZIP codes →
Nearby places with different codes
These are the closest places to Sullivan City 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 |
|---|---|---|
| Falfurrias Texas area codes | 71 mi | 361 |
| Premont Texas area codes | 80 mi | 361 |
| Benavides Texas area codes | 92 mi | 361 |
| Kingsville Texas area codes | 96 mi | 361 |
| Bishop Texas area codes | 102 mi | 361 |
| San Diego Texas area codes | 105 mi | 361 |
| Alice Texas area codes | 107 mi | 361 |
| Driscoll Texas area codes | 109 mi | 361 |
Straight-line distance between place reference points, not driving distance.