Little Rock Iowa ZIP Codes
Little Rock holds a single ZIP code.
Every ZIP code in Little Rock
| ZIP code | County |
|---|---|
| 51243 | Lyon 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Little Rock codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Little Rock. 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 Little Rock ZIP code begins 512. Those first three digits identify the sectional center facility that processes mail for this part of Iowa. Statewide that range covers 20 ZIP codes, so Little Rock accounts for 5% of it.
Every Iowa ZIP prefix and the region it covers →
Area codes covering Little Rock
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 Little Rock occupies.
Little Rock Iowa area codes in full →
Where Little Rock's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Little Rock
| City | Distance | ZIP codes |
|---|---|---|
| Sibley Iowa ZIP codes | 7.6 mi | 1 ZIP code |
| George Iowa ZIP codes | 9.5 mi | 1 ZIP code |
| Ashton Iowa ZIP codes | 11 mi | 1 ZIP code |
| Matlock Iowa ZIP codes | 14 mi | 1 ZIP code |
| Rock Rapids Iowa ZIP codes | 14 mi | 1 ZIP code |
| Ocheyedan Iowa ZIP codes | 17 mi | 1 ZIP code |
| Melvin Iowa ZIP codes | 18 mi | 1 ZIP code |
| Sheldon Iowa ZIP codes | 19 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.