Codes.zone

Westfield Iowa ZIP Codes

Westfield holds a single ZIP code.

Every ZIP code in Westfield

The complete list of Westfield, Iowa ZIP codes with the county each falls in.
ZIP codeCounty
51062Plymouth 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Westfield codes above are listed without a column we would have to invent.

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

How these codes cluster

Every Westfield ZIP code begins 510. Those first three digits identify the sectional center facility that processes mail for this part of Iowa. Statewide that range covers 55 ZIP codes, so Westfield accounts for 2% of it.

Every Iowa ZIP prefix and the region it covers →

Area codes covering Westfield

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 Westfield occupies.

Westfield Iowa area codes in full →

Where Westfield's ZIP codes sit

Each point is one Westfield ZIP code, plotted from its record coordinates.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Cities near Westfield

The closest places to Westfield with their own ZIP code list, nearest first.
CityDistanceZIP codes
Akron Iowa ZIP codes5.5 mi1 ZIP code
Chatsworth Iowa ZIP codes12 mi1 ZIP code
Brunsville Iowa ZIP codes18 mi1 ZIP code
Hawarden Iowa ZIP codes18 mi1 ZIP code
Merrill Iowa ZIP codes18 mi1 ZIP code
Hinton Iowa ZIP codes18 mi1 ZIP code
Ireton Iowa ZIP codes21 mi1 ZIP code
Sioux City Iowa ZIP codes21 mi9 ZIP codes

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