Clarkson Kentucky ZIP Codes
Clarkson holds a single ZIP code.
Every ZIP code in Clarkson
| ZIP code | County |
|---|---|
| 42726 | Grayson 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Clarkson codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Clarkson. 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 Clarkson ZIP code begins 427. Those first three digits identify the sectional center facility that processes mail for this part of Kentucky. Statewide that range covers 38 ZIP codes, so Clarkson accounts for 3% of it.
Every Kentucky ZIP prefix and the region it covers →
Area codes covering Clarkson
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 Clarkson occupies.
Clarkson Kentucky area codes in full →
Where Clarkson's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Clarkson
| City | Distance | ZIP codes |
|---|---|---|
| Leitchfield Kentucky ZIP codes | 3.2 mi | 2 ZIP codes |
| Caneyville Kentucky ZIP codes | 16 mi | 1 ZIP code |
| Upton Kentucky ZIP codes | 18 mi | 1 ZIP code |
| Sonora Kentucky ZIP codes | 18 mi | 1 ZIP code |
| Bonnieville Kentucky ZIP codes | 20 mi | 1 ZIP code |
| Brownsville Kentucky ZIP codes | 21 mi | 1 ZIP code |
| Hardinsburg Kentucky ZIP codes | 23 mi | 1 ZIP code |
| Munfordville Kentucky ZIP codes | 23 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.