Webster City Iowa ZIP Codes
Webster City holds a single ZIP code.
Every ZIP code in Webster City
| ZIP code | County |
|---|---|
| 50595 | Hamilton 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Webster City codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Webster City. 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 Webster City ZIP code begins 505. Those first three digits identify the sectional center facility that processes mail for this part of Iowa. Statewide that range covers 75 ZIP codes, so Webster City accounts for 1% of it.
Every Iowa ZIP prefix and the region it covers →
Area codes covering Webster City
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 Webster City occupies.
Webster City Iowa area codes in full →
Where Webster City's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Webster City
| City | Distance | ZIP codes |
|---|---|---|
| Webster Iowa ZIP codes | 0.0 mi | 1 ZIP code |
| Kamrar Iowa ZIP codes | 6.8 mi | 1 ZIP code |
| Woolstock Iowa ZIP codes | 7.2 mi | 1 ZIP code |
| Blairsburg Iowa ZIP codes | 9.0 mi | 1 ZIP code |
| Duncombe Iowa ZIP codes | 9.1 mi | 1 ZIP code |
| Stanhope Iowa ZIP codes | 12 mi | 1 ZIP code |
| Vincent Iowa ZIP codes | 14 mi | 1 ZIP code |
| Lehigh Iowa ZIP codes | 14 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.