ZIP Code 73403

73403 is one of Oklahoma's ZIP codes, delivering to addresses in Ardmore, Carter County.

City: Ardmore
County: Carter County
State: Oklahoma
Prefix: 734xx

Where this code sits

73403 is part of the 734xx range, the group of codes handled by one mail processing centre. Ardmore is served by 3 ZIP codes in total; the full list, with the county each falls in, is on the Ardmore page.

Ardmore Oklahoma ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 73403 delivers to without sharing its boundary.

580 Area code 580

ZIP codes nearest 73403

The ZIP codes whose reference points sit closest to 73403.
ZIP code	Distance	Delivers to
ZIP code 73401	2.4 mi	Ardmore, OK
ZIP code 73443	7.1 mi	Lone Grove, OK
ZIP code 73453	8.3 mi	Overbrook, OK
ZIP code 73458	9.0 mi	Springer, OK
ZIP code 73402	9.9 mi	Ardmore, OK
ZIP code 73436	10 mi	Gene Autry, OK
ZIP code 73447	15 mi	Mannsville, OK
ZIP code 73448	16 mi	Marietta, OK

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 73403, plotted from its record coordinates.

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

Scope ZIP code 73403. 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.