Grand Mound Iowa ZIP Codes
Grand Mound holds a single ZIP code.
Every ZIP code in Grand Mound
| ZIP code | County |
|---|---|
| 52751 | 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Grand Mound codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Grand Mound. 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 Grand Mound 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 Grand Mound accounts for 2% of it.
Every Iowa ZIP prefix and the region it covers →
Area codes covering Grand Mound
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 Grand Mound occupies.
Grand Mound Iowa area codes in full →
Where Grand Mound's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Grand Mound
| City | Distance | ZIP codes |
|---|---|---|
| Calamus Iowa ZIP codes | 5.6 mi | 1 ZIP code |
| Welton Iowa ZIP codes | 6.3 mi | 1 ZIP code |
| Dixon Iowa ZIP codes | 8.8 mi | 1 ZIP code |
| Donahue Iowa ZIP codes | 9.2 mi | 1 ZIP code |
| Wheatland Iowa ZIP codes | 9.7 mi | 1 ZIP code |
| Long Grove Iowa ZIP codes | 9.8 mi | 1 ZIP code |
| Delmar Iowa ZIP codes | 12 mi | 1 ZIP code |
| Lost Nation Iowa ZIP codes | 13 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.