Welton Iowa ZIP Codes
Welton holds a single ZIP code.
Every ZIP code in Welton
| ZIP code | County |
|---|---|
| 52774 | Clinton 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Welton codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Welton. 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 Welton ZIP code begins 527. Those first three digits identify the sectional center facility that processes mail for this part of Iowa. Statewide that range covers 47 ZIP codes, so Welton accounts for 2% of it.
Every Iowa ZIP prefix and the region it covers →
Area codes covering Welton
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 Welton occupies.
These codes are associated with Welton through county-level matching, not a per-address guarantee.
Welton Iowa area codes in full →
Where Welton's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Welton
| City | Distance | ZIP codes |
|---|---|---|
| Grand Mound Iowa ZIP codes | 6.3 mi | 1 ZIP code |
| Delmar Iowa ZIP codes | 6.5 mi | 1 ZIP code |
| Charlotte Iowa ZIP codes | 7.6 mi | 1 ZIP code |
| Calamus Iowa ZIP codes | 10 mi | 1 ZIP code |
| Maquoketa Iowa ZIP codes | 11 mi | 1 ZIP code |
| Goose Lake Iowa ZIP codes | 12 mi | 1 ZIP code |
| Lost Nation Iowa ZIP codes | 12 mi | 1 ZIP code |
| Wheatland Iowa ZIP codes | 13 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.