Calvert City Kentucky ZIP Codes
Calvert City holds a single ZIP code.
Every ZIP code in Calvert City
| ZIP code | County |
|---|---|
| 42029 | Marshall 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Calvert City codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Calvert 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 Calvert City ZIP code begins 420. Those first three digits identify the sectional center facility that processes mail for this part of Kentucky. Statewide that range covers 52 ZIP codes, so Calvert City accounts for 2% of it.
Every Kentucky ZIP prefix and the region it covers →
Area codes covering Calvert City
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 Calvert City occupies.
Calvert City Kentucky area codes in full →
Where Calvert City's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Calvert City
| City | Distance | ZIP codes |
|---|---|---|
| Smithland Kentucky ZIP codes | 6.4 mi | 1 ZIP code |
| Grand Rivers Kentucky ZIP codes | 9.5 mi | 1 ZIP code |
| Paducah Kentucky ZIP codes | 14 mi | 3 ZIP codes |
| Benton Kentucky ZIP codes | 14 mi | 1 ZIP code |
| Kuttawa Kentucky ZIP codes | 16 mi | 1 ZIP code |
| Salem Kentucky ZIP codes | 17 mi | 1 ZIP code |
| Eddyville Kentucky ZIP codes | 18 mi | 1 ZIP code |
| Hardin Kentucky ZIP codes | 20 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.