ZIP Code 44503

44503 is one of Ohio's ZIP codes, delivering to addresses in Youngstown, Mahoning County.

City: Youngstown
County: Mahoning County
State: Ohio
Prefix: 445xx

Where this code sits

44503 is part of the 445xx range, the group of codes handled by one mail processing centre. Youngstown is served by 15 ZIP codes in total; the full list, with the county each falls in, is on the Youngstown page.

Youngstown Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 44503 delivers to without sharing its boundary.

ZIP codes nearest 44503

The ZIP codes whose reference points sit closest to 44503.
ZIP code	Distance	Delivers to
ZIP code 44555	0.4 mi	Youngstown, OH
ZIP code 44506	1.3 mi	Youngstown, OH
ZIP code 44504	1.5 mi	Youngstown, OH
ZIP code 44510	1.5 mi	Youngstown, OH
ZIP code 44502	1.8 mi	Youngstown, OH
ZIP code 44505	2.0 mi	Youngstown, OH
ZIP code 44507	2.0 mi	Youngstown, OH
ZIP code 44509	2.3 mi	Youngstown, OH

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 44503, plotted from its record coordinates.

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

Scope ZIP code 44503. 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.