Gibson Iowa ZIP Codes

Gibson holds a single ZIP code.

Every ZIP code in Gibson

The complete list of Gibson, Iowa ZIP codes with the county each falls in.
ZIP code	County
50104	Keokuk County

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Gibson codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Gibson. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Gibson ZIP code begins 501. Those first three digits identify the sectional center facility that processes mail for this part of Iowa. Statewide that range covers 69 ZIP codes, so Gibson accounts for 1% of it.

Every Iowa ZIP prefix and the region it covers →

Area codes covering Gibson

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Gibson occupies.

641 Area code 641

Gibson Iowa area codes in full →

Where Gibson's ZIP codes sit

Each point is one Gibson ZIP code, plotted from its record coordinates.

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

Cities near Gibson

The closest places to Gibson with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Thornburg Iowa ZIP codes	3.5 mi	1 ZIP code
Barnes City Iowa ZIP codes	4.4 mi	1 ZIP code
What Cheer Iowa ZIP codes	5.8 mi	1 ZIP code
Deep River Iowa ZIP codes	7.1 mi	1 ZIP code
Keswick Iowa ZIP codes	8.2 mi	1 ZIP code
Montezuma Iowa ZIP codes	10 mi	1 ZIP code
Delta Iowa ZIP codes	11 mi	1 ZIP code
Rose Hill Iowa ZIP codes	12 mi	1 ZIP code

Straight-line distance between place reference points, not driving distance.