Junction City Kentucky ZIP Codes
Junction City holds a single ZIP code.
Every ZIP code in Junction City
| ZIP code | County |
|---|---|
| 40440 | Boyle 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Junction City codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Junction 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 Junction City ZIP code begins 404. Those first three digits identify the sectional center facility that processes mail for this part of Kentucky. Statewide that range covers 33 ZIP codes, so Junction City accounts for 3% of it.
Every Kentucky ZIP prefix and the region it covers →
Area codes covering Junction 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 Junction City occupies.
Junction City Kentucky area codes in full →
Where Junction City's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Junction City
| City | Distance | ZIP codes |
|---|---|---|
| Danville Kentucky ZIP codes | 3.8 mi | 2 ZIP codes |
| Hustonville Kentucky ZIP codes | 7.4 mi | 1 ZIP code |
| Stanford Kentucky ZIP codes | 8.2 mi | 1 ZIP code |
| Perryville Kentucky ZIP codes | 9.9 mi | 1 ZIP code |
| Lancaster Kentucky ZIP codes | 12 mi | 1 ZIP code |
| Burgin Kentucky ZIP codes | 12 mi | 1 ZIP code |
| Harrodsburg Kentucky ZIP codes | 13 mi | 1 ZIP code |
| Crab Orchard Kentucky ZIP codes | 18 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.