ZIP Code 82701

82701 is one of Wyoming's ZIP codes, delivering to addresses in Newcastle, Weston County.

City: Newcastle
County: Weston County
State: Wyoming
Prefix: 827xx

Where this code sits

82701 is part of the 827xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Newcastle.

Newcastle Wyoming ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 82701 delivers to without sharing its boundary.

307 Area code 307

ZIP codes nearest 82701

The ZIP codes whose reference points sit closest to 82701.
ZIP code	Distance	Delivers to
ZIP code 82723	14 mi	Osage, WY
ZIP code 82715	16 mi	Four Corners, WY
ZIP code 82730	26 mi	Upton, WY
ZIP code 57745	33 mi	Hill City, SD
ZIP code 57754	34 mi	Lead, SD
ZIP code 57773	36 mi	Pringle, SD
ZIP code 82729	39 mi	Sundance, WY
ZIP code 57759	42 mi	Nemo, SD

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 82701, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 82701. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.