County ZIP codes · Oklahoma · FIPS 40047
Garfield County, OK ZIP Codes
Garfield County, Oklahoma has 24 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 22 residential and 2 for PO boxes or a single organization. 16 of the residential ones lie mainly in Garfield County and 6 mainly in a neighboring county; 11 cross the county line. Median household income ranges from $50,843 in 73701 (Enid) to $95,625 in 73754 (Lahoma) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Garfield County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
They carry 20 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 22 residential ZIP codes in Garfield County
16 ZIP codes lie mainly in Garfield County; 6 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 73703 | Enid | 30,556 | 268 | $73k | $196k | 97% |
| 73701 | Enid | 24,476 | 169 | $51k | $101k | 100% |
| 73773 | Waukomis | 1,623 | 15 | $78k | $155k | 100% |
| 73754 | Lahoma | 1,043 | 21 | $96k | $155k | 62% |
| 73738 | Garber | 1,012 | 11 | $80k | $115k | 100% |
| 73735 | Drummond | 623 | 15 | $112k | – | 96% |
| 73730 | Covington | 598 | 10 | $57k | $211k | 100% |
| 73056 | Marshall | 455 | 4 | $62k | – | 52% |
| 73736 | Fairmont | 424 | 8 | – | $259k | 100% |
| 73753 | Kremlin | 378 | 6 | $102k | $160k | 100% |
| 73705 | Enid | 359 | 721 | – | – | 100% |
| 74640 | Hunter | 327 | 3 | $88k | $160k | 74% |
| 73720 | Bison | 221 | 4 | $97k | $186k | 100% |
| 73733 | Douglas | 221 | 4 | $101k | $110k | 100% |
| 73727 | Carrier | 152 | 5 | – | $206k | 100% |
| 73743 | Hillsdale | 89 | 256 | $45k | $65k | 100% |
Partly in Garfield County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 73757 | Lucien | 92 | 4 | – | – | 27% |
| 74630 | Billings | 890 | 7 | $42k | $104k | 27% |
| 73739 | Goltry | 416 | 8 | $92k | $109k | 23% |
| 73073 | Orlando | 706 | 6 | $76k | $310k | 18% |
| 73761 | Nash | 370 | 3 | $75k | $93k | 10% |
| 73718 | Ames | 518 | 6 | $63k | $145k | 7% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
11 ZIP codes of Garfield County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Garfield | Elsewhere |
|---|---|---|
| 73703 | 97% | Grant County4% |
| 73754 | 62% | Major County36%; Alfalfa County2% |
| 74630 | 27% | Noble County73% |
| 73073 | 18% | Noble County31%; Logan County26%; Payne County25% |
| 73735 | 96% | Major County4% |
| 73718 | 7% | Major County76%; Kingfisher County17% |
| 73056 | 52% | Logan County36%; Kingfisher County11% |
| 73739 | 23% | Alfalfa County77% |
| 73761 | 10% | Grant County90% |
| 74640 | 74% | Grant County26% |
| 73757 | 27% | Noble County73% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Garfield County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Garfield County's ZIP codes use 3 prefixes: 730, 737 and 746.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 730 | Oklahoma City, OK (SCF 730) | 2 | 89 |
| 737 | Oklahoma City, OK (SCF 730) | 20 | 51 |
| 746 | Tulsa, OK (SCF 740) | 2 | 19 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.