ZIP Code 62370

62370 is one of Illinois's ZIP codes, delivering to addresses in Rockport, Pike County.

City: Rockport
County: Pike County
State: Illinois
Prefix: 623xx

Where this code sits

62370 is part of the 623xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Rockport.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 62370 delivers to without sharing its boundary.

ZIP codes nearest 62370

The ZIP codes whose reference points sit closest to 62370.
ZIP code	Distance	Delivers to
ZIP code 62366	7.8 mi	Pleasant Hill, IL
ZIP code 63353	8.5 mi	Louisiana, MO
ZIP code 62356	9.4 mi	New Canton, IL
ZIP code 62363	10 mi	Pittsfield, IL
ZIP code 63433	12 mi	Ashburn, MO
ZIP code 62312	12 mi	Barry, IL
ZIP code 63336	13 mi	Clarksville, MO
ZIP code 62355	13 mi	Nebo, 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 62370, plotted from its record coordinates.

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

Scope ZIP code 62370. 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.