ZIP Code 75203

75203 is one of Texas's ZIP codes, delivering to addresses in Dallas, Dallas County.

City: Dallas
County: Dallas County
State: Texas
Prefix: 752xx

Where this code sits

75203 is part of the 752xx range, the group of codes handled by one mail processing centre. Dallas is served by 105 ZIP codes in total; the full list, with the county each falls in, is on the Dallas page.

Dallas Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 75203 delivers to without sharing its boundary.

ZIP codes nearest 75203

The ZIP codes whose reference points sit closest to 75203.
ZIP code	Distance	Delivers to
ZIP code 75208	1.9 mi	Dallas, TX
ZIP code 75202	2.2 mi	Dallas, TX
ZIP code 75014	2.3 mi	Irving, TX
ZIP code 75017	2.3 mi	Irving, TX
ZIP code 75083	2.3 mi	Richardson, TX
ZIP code 75085	2.3 mi	Richardson, TX
ZIP code 75138	2.3 mi	Duncanville, TX
ZIP code 75187	2.3 mi	Mesquite, 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 75203, plotted from its record coordinates.

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

Scope ZIP code 75203. 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.