ZIP Code 61201

61201 is one of Illinois's ZIP codes, delivering to addresses in Rock Island, Rock Island County.

City: Rock Island
County: Rock Island County
State: Illinois
Prefix: 612xx

Where this code sits

61201 is part of the 612xx range, the group of codes handled by one mail processing centre. Rock Island is served by 3 ZIP codes in total; the full list, with the county each falls in, is on the Rock Island page.

Rock Island Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61201 delivers to without sharing its boundary.

ZIP codes nearest 61201

The ZIP codes whose reference points sit closest to 61201.
ZIP code	Distance	Delivers to
ZIP code 52801	2.1 mi	Davenport, IA
ZIP code 61299	2.3 mi	Rock Island, IL
ZIP code 61266	2.8 mi	Moline, IL
ZIP code 52802	3.1 mi	Davenport, IA
ZIP code 52803	3.3 mi	Davenport, IA
ZIP code 61265	3.5 mi	Moline, IL
ZIP code 52804	4.1 mi	Davenport, IA
ZIP code 61264	4.5 mi	Milan, IL

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 61201, plotted from its record coordinates.

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

Scope ZIP code 61201. 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.