Fort Calhoun Nebraska ZIP Codes
Fort Calhoun holds a single ZIP code.
Every ZIP code in Fort Calhoun
| ZIP code | County |
|---|---|
| 68023 | Washington 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Fort Calhoun codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Fort Calhoun. 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 Fort Calhoun ZIP code begins 680. Those first three digits identify the sectional center facility that processes mail for this part of Nebraska. Statewide that range covers 57 ZIP codes, so Fort Calhoun accounts for 2% of it.
Every Nebraska ZIP prefix and the region it covers →
Area codes covering Fort Calhoun
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Fort Calhoun occupies.
Fort Calhoun Nebraska area codes in full →
Where Fort Calhoun's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Fort Calhoun
| City | Distance | ZIP codes |
|---|---|---|
| Blair Nebraska ZIP codes | 8.2 mi | 2 ZIP codes |
| Kennard Nebraska ZIP codes | 9.3 mi | 1 ZIP code |
| Bennington Nebraska ZIP codes | 9.3 mi | 1 ZIP code |
| Washington Nebraska ZIP codes | 10 mi | 1 ZIP code |
| Omaha Nebraska ZIP codes | 14 mi | 48 ZIP codes |
| Boys Town Nebraska ZIP codes | 15 mi | 1 ZIP code |
| Arlington Nebraska ZIP codes | 17 mi | 1 ZIP code |
| Herman Nebraska ZIP codes | 18 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.