Ralston Iowa ZIP Codes

Ralston holds a single ZIP code.

Every ZIP code in Ralston

The complete list of Ralston, Iowa ZIP codes with the county each falls in.
ZIP code	County
51459	Carroll 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Ralston codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Ralston. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Ralston ZIP code begins 514. Those first three digits identify the sectional center facility that processes mail for this part of Iowa. Statewide that range covers 32 ZIP codes, so Ralston accounts for 3% of it.

Every Iowa ZIP prefix and the region it covers →

Area codes covering Ralston

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 Ralston occupies.

712 Area code 712

Ralston Iowa area codes in full →

Where Ralston's ZIP codes sit

Each point is one Ralston ZIP code, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Cities near Ralston

The closest places to Ralston with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Scranton Iowa ZIP codes	4.4 mi	1 ZIP code
Glidden Iowa ZIP codes	5.1 mi	1 ZIP code
Lidderdale Iowa ZIP codes	9.7 mi	1 ZIP code
Lanesboro Iowa ZIP codes	10 mi	1 ZIP code
Churdan Iowa ZIP codes	11 mi	1 ZIP code
Coon Rapids Iowa ZIP codes	12 mi	1 ZIP code
Carroll Iowa ZIP codes	12 mi	1 ZIP code
Jefferson Iowa ZIP codes	13 mi	1 ZIP code

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