Mill Creek Oklahoma ZIP Codes
Mill Creek holds a single ZIP code.
Every ZIP code in Mill Creek
| ZIP code | County |
|---|---|
| 74856 | Johnston 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Mill Creek codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Mill Creek. 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 Mill Creek ZIP code begins 748. Those first three digits identify the sectional center facility that processes mail for this part of Oklahoma. Statewide that range covers 50 ZIP codes, so Mill Creek accounts for 2% of it.
Every Oklahoma ZIP prefix and the region it covers →
Area codes covering Mill Creek
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 Mill Creek occupies.
Mill Creek Oklahoma area codes in full →
Where Mill Creek's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Mill Creek
| City | Distance | ZIP codes |
|---|---|---|
| Sulphur Oklahoma ZIP codes | 12 mi | 1 ZIP code |
| Ravia Oklahoma ZIP codes | 12 mi | 1 ZIP code |
| Dougherty Oklahoma ZIP codes | 13 mi | 1 ZIP code |
| Gene Autry Oklahoma ZIP codes | 14 mi | 1 ZIP code |
| Tishomingo Oklahoma ZIP codes | 14 mi | 1 ZIP code |
| Mannsville Oklahoma ZIP codes | 16 mi | 1 ZIP code |
| Roff Oklahoma ZIP codes | 16 mi | 1 ZIP code |
| Fitzhugh Oklahoma ZIP codes | 18 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.