Clayton Delaware ZIP Codes
Clayton holds a single ZIP code.
Every ZIP code in Clayton
| ZIP code | County |
|---|---|
| 19938 | Kent 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Clayton codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Clayton. 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 Clayton ZIP code begins 199. Those first three digits identify the sectional center facility that processes mail for this part of Delaware. Statewide that range covers 44 ZIP codes, so Clayton accounts for 2% of it.
Every Delaware ZIP prefix and the region it covers →
Area codes covering Clayton
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 Clayton occupies.
Clayton Delaware area codes in full →
Where Clayton's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Clayton
| City | Distance | ZIP codes |
|---|---|---|
| Smyrna Delaware ZIP codes | 1.9 mi | 1 ZIP code |
| Kenton Delaware ZIP codes | 3.7 mi | 1 ZIP code |
| Cheswold Delaware ZIP codes | 4.5 mi | 1 ZIP code |
| Hartly Delaware ZIP codes | 8.5 mi | 1 ZIP code |
| Townsend Delaware ZIP codes | 9.7 mi | 1 ZIP code |
| Dover Delaware ZIP codes | 9.8 mi | 5 ZIP codes |
| Little Creek Delaware ZIP codes | 12 mi | 1 ZIP code |
| Middletown Delaware ZIP codes | 13 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.