Rock Springs Wyoming ZIP Codes
Rock Springs holds 2 ZIP codes, all inside one county and one postal prefix.
Every ZIP code in Rock Springs
| ZIP code | County |
|---|---|
| 82901 | Sweetwater County |
| 82902 | Sweetwater County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Rock Springs codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Rock Springs. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Rock Springs ZIP code begins 829. Those first three digits identify the sectional center facility that processes mail for this part of Wyoming. Statewide that range covers 21 ZIP codes, so Rock Springs accounts for 10% of it.
Every Wyoming ZIP prefix and the region it covers →
Area codes covering Rock Springs
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Rock Springs occupies.
Rock Springs Wyoming area codes in full →
Where Rock Springs's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Rock Springs
| City | Distance | ZIP codes |
|---|---|---|
| Green River Wyoming ZIP codes | 14 mi | 1 ZIP code |
| Superior Wyoming ZIP codes | 18 mi | 1 ZIP code |
| Granger Wyoming ZIP codes | 39 mi | 1 ZIP code |
| Opal Wyoming ZIP codes | 58 mi | 1 ZIP code |
| Lyman Wyoming ZIP codes | 59 mi | 1 ZIP code |
| Wamsutter Wyoming ZIP codes | 64 mi | 1 ZIP code |
| La Barge Wyoming ZIP codes | 68 mi | 1 ZIP code |
| Diamondville Wyoming ZIP codes | 69 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.