ZIP Code 45804

45804 is one of Ohio's ZIP codes, delivering to addresses in Lima, Allen County.

City: Lima
County: Allen County
State: Ohio
Prefix: 458xx

Where this code sits

45804 is part of the 458xx range, the group of codes handled by one mail processing centre. Lima is served by 6 ZIP codes in total; the full list, with the county each falls in, is on the Lima page.

Lima Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45804 delivers to without sharing its boundary.

ZIP codes nearest 45804

The ZIP codes whose reference points sit closest to 45804.
ZIP code	Distance	Delivers to
ZIP code 45801	2.6 mi	Lima, OH
ZIP code 45805	3.1 mi	Lima, OH
ZIP code 45806	4.1 mi	Lima, OH
ZIP code 45802	4.6 mi	Lima, OH
ZIP code 45807	5.4 mi	Lima, OH
ZIP code 45820	7.1 mi	Cairo, OH
ZIP code 45854	7.6 mi	Lafayette, OH
ZIP code 45850	7.6 mi	Harrod, 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 45804, plotted from its record coordinates.

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

Scope ZIP code 45804. 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.