Clermont Iowa ZIP Codes

Clermont holds a single ZIP code.

Every ZIP code in Clermont

The complete list of Clermont, Iowa ZIP codes with the county each falls in.
ZIP codeCounty
52135Fayette 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Clermont codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Clermont. 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 Clermont ZIP code begins 521. Those first three digits identify the sectional center facility that processes mail for this part of Iowa. Statewide that range covers 33 ZIP codes, so Clermont accounts for 3% of it.

Every Iowa ZIP prefix and the region it covers →

Area codes covering Clermont

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 Clermont occupies.

Clermont Iowa area codes in full →

Where Clermont's ZIP codes sit

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

Cities near Clermont

The closest places to Clermont with their own ZIP code list, nearest first.
CityDistanceZIP codes
Elgin Iowa ZIP codes3.2 mi1 ZIP code
Postville Iowa ZIP codes7.2 mi1 ZIP code
Castalia Iowa ZIP codes7.9 mi1 ZIP code
West Union Iowa ZIP codes8.6 mi1 ZIP code
Luana Iowa ZIP codes11 mi1 ZIP code
Wadena Iowa ZIP codes11 mi1 ZIP code
Ossian Iowa ZIP codes12 mi1 ZIP code
Fayette Iowa ZIP codes13 mi1 ZIP code

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