ZIP Code 80103

80103 is one of Colorado's ZIP codes, delivering to addresses in Byers, Arapahoe County.

City: Byers
County: Arapahoe County
State: Colorado
Prefix: 801xx

Where this code sits

80103 is part of the 801xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Byers.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 80103 delivers to without sharing its boundary.

ZIP codes nearest 80103

The ZIP codes whose reference points sit closest to 80103.
ZIP code	Distance	Delivers to
ZIP code 80136	6.7 mi	Strasburg, CO
ZIP code 80105	10 mi	Deer Trail, CO
ZIP code 80041	11 mi	Aurora, CO
ZIP code 80044	11 mi	Aurora, CO
ZIP code 80046	11 mi	Aurora, CO
ZIP code 80047	11 mi	Aurora, CO
ZIP code 80102	13 mi	Bennett, CO
ZIP code 80137	21 mi	Watkins, CO

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 80103, plotted from its record coordinates.

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

Scope ZIP code 80103. 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.