Seymour Iowa ZIP Codes

Seymour holds a single ZIP code.

Every ZIP code in Seymour

The complete list of Seymour, Iowa ZIP codes with the county each falls in.
ZIP code	County
52590	Wayne 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Seymour codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Seymour. 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 Seymour ZIP code begins 525. Those first three digits identify the sectional center facility that processes mail for this part of Iowa. Statewide that range covers 50 ZIP codes, so Seymour accounts for 2% of it.

Every Iowa ZIP prefix and the region it covers →

Area codes covering Seymour

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 Seymour occupies.

641 Area code 641

Seymour Iowa area codes in full →

Where Seymour's ZIP codes sit

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

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

Cities near Seymour

The closest places to Seymour with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Promise City Iowa ZIP codes	4.7 mi	1 ZIP code
Plano Iowa ZIP codes	6.4 mi	1 ZIP code
Cincinnati Iowa ZIP codes	11 mi	1 ZIP code
Mystic Iowa ZIP codes	11 mi	1 ZIP code
Corydon Iowa ZIP codes	12 mi	1 ZIP code
Allerton Iowa ZIP codes	13 mi	1 ZIP code
Centerville Iowa ZIP codes	14 mi	1 ZIP code
Exline Iowa ZIP codes	15 mi	1 ZIP code

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