Newcastle Wyoming ZIP Codes
Newcastle holds a single ZIP code.
Every ZIP code in Newcastle
| ZIP code | County |
|---|---|
| 82701 | Weston 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Newcastle codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Newcastle. 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 Newcastle ZIP code begins 827. Those first three digits identify the sectional center facility that processes mail for this part of Wyoming. Statewide that range covers 18 ZIP codes, so Newcastle accounts for 6% of it.
Every Wyoming ZIP prefix and the region it covers →
Area codes covering Newcastle
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 Newcastle occupies.
Newcastle Wyoming area codes in full →
Where Newcastle's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Newcastle
| City | Distance | ZIP codes |
|---|---|---|
| Upton Wyoming ZIP codes | 28 mi | 1 ZIP code |
| Sundance Wyoming ZIP codes | 39 mi | 1 ZIP code |
| Moorcroft Wyoming ZIP codes | 47 mi | 1 ZIP code |
| Hulett Wyoming ZIP codes | 61 mi | 1 ZIP code |
| Wright Wyoming ZIP codes | 65 mi | 1 ZIP code |
| Gillette Wyoming ZIP codes | 71 mi | 3 ZIP codes |
| Lusk Wyoming ZIP codes | 76 mi | 1 ZIP code |
| Manville Wyoming ZIP codes | 77 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.