Round Mountain Texas Area Code
One area code covers Round Mountain: 830.
The code covering Round Mountain
| Area code | Primarily serves | In service |
|---|---|---|
| 830 | San Antonio | 1997 |
Scope the codes matched to Round Mountain. 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
Round Mountain has a single code, so there is nothing to divide — every local line carries 830.
ZIP codes for the same city
Postal geography is organised separately from telephone geography, so Round Mountain’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.
Round Mountain Texas ZIP codes →
Nearby places with different codes
These are the closest places to Round Mountain 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 |
|---|---|---|
| Marble Falls Texas area codes | 13 mi | 512, 737, 830 |
| Dripping Springs Texas area codes | 21 mi | 512, 737 |
| Burnet Texas area codes | 26 mi | 512, 737 |
| Bertram Texas area codes | 30 mi | 512, 737 |
| Llano Texas area codes | 31 mi | 325 |
| Leander Texas area codes | 32 mi | 512, 737 |
| Wimberley Texas area codes | 33 mi | 512, 737, 830 |
| Liberty Hill Texas area codes | 33 mi | 512, 737 |
Straight-line distance between place reference points, not driving distance.