ZIP Code 75085

75085 is one of Texas's ZIP codes, delivering to addresses in Richardson, Dallas County.

City: Richardson
County: Dallas County
State: Texas
Prefix: 750xx

Where this code sits

75085 is part of the 750xx range, the group of codes handled by one mail processing centre. Richardson is served by 5 ZIP codes in total; the full list, with the county each falls in, is on the Richardson page.

Richardson Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 75085 delivers to without sharing its boundary.

ZIP codes nearest 75085

The ZIP codes whose reference points sit closest to 75085.
ZIP code	Distance	Delivers to
ZIP code 75014	0.0 mi	Irving, TX
ZIP code 75017	0.0 mi	Irving, TX
ZIP code 75083	0.0 mi	Richardson, TX
ZIP code 75138	0.0 mi	Duncanville, TX
ZIP code 75187	0.0 mi	Mesquite, TX
ZIP code 75222	0.0 mi	Dallas, TX
ZIP code 75242	0.0 mi	Dallas, TX
ZIP code 75250	0.0 mi	Dallas, TX

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 75085, plotted from its record coordinates.

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

Scope ZIP code 75085. 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.