Hillsdale Oklahoma ZIP Codes
Hillsdale holds a single ZIP code.
Every ZIP code in Hillsdale
| ZIP code | County |
|---|---|
| 73743 | Garfield 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Hillsdale codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Hillsdale. 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 Hillsdale ZIP code begins 737. Those first three digits identify the sectional center facility that processes mail for this part of Oklahoma. Statewide that range covers 51 ZIP codes, so Hillsdale accounts for 2% of it.
Every Oklahoma ZIP prefix and the region it covers →
Area codes covering Hillsdale
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 Hillsdale occupies.
Hillsdale Oklahoma area codes in full →
Where Hillsdale's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Hillsdale
| City | Distance | ZIP codes |
|---|---|---|
| Carrier Oklahoma ZIP codes | 6.0 mi | 1 ZIP code |
| Nash Oklahoma ZIP codes | 7.8 mi | 1 ZIP code |
| Kremlin Oklahoma ZIP codes | 9.0 mi | 1 ZIP code |
| Goltry Oklahoma ZIP codes | 9.1 mi | 1 ZIP code |
| Jet Oklahoma ZIP codes | 13 mi | 1 ZIP code |
| Enid Oklahoma ZIP codes | 13 mi | 5 ZIP codes |
| Pond Creek Oklahoma ZIP codes | 13 mi | 1 ZIP code |
| Lahoma Oklahoma ZIP codes | 13 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.