County ZIP codes · Oklahoma · FIPS 40031
Comanche County, OK ZIP Codes
Comanche County, Oklahoma has 22 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 19 residential and 3 for PO boxes or a single organization. 12 of the residential ones lie mainly in Comanche County and 7 mainly in a neighboring county; 10 cross the county line. Median household income ranges from $46,683 in 73017 (Cement) to $91,324 in 73538 (Elgin) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Comanche County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $51,563 and $74,526.
They carry 17 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 19 residential ZIP codes in Comanche County
12 ZIP codes lie mainly in Comanche County; 7 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 73505 | Lawton | 47,790 | 740 | $58k | $158k | 100% |
| 73507 | Lawton | 21,046 | 86 | $62k | $159k | 100% |
| 73501 | Lawton | 20,397 | 194 | $50k | $133k | 100% |
| 73503 | Fort Sill | 11,468 | 155 | $61k | – | 100% |
| 73538 | Elgin | 7,128 | 88 | $91k | $289k | 100% |
| 73527 | Cache | 5,109 | 67 | $75k | $203k | 100% |
| 73541 | Fletcher | 3,257 | 38 | $61k | $172k | 100% |
| 73543 | Geronimo | 1,993 | 30 | $87k | $117k | 72% |
| 73552 | Indiahoma | 1,404 | 13 | $86k | $153k | 98% |
| 73567 | Sterling | 781 | 633 | $66k | $127k | 100% |
| 73540 | Faxon | 324 | 6 | $87k | $211k | 97% |
| 73557 | Medicine Park | 261 | 286 | $118k | $327k | 100% |
Partly in Comanche County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 73006 | Apache | 2,424 | 14 | $52k | $92k | 17% |
| 73559 | Mountain Park | 345 | 3 | $28k | $92k | 15% |
| 73528 | Chattanooga | 617 | 6 | $60k | $156k | 13% |
| 73017 | Cement | 1,351 | 17 | $47k | $92k | 4% |
| 73572 | Walters | 3,045 | 12 | $57k | $124k | 4% |
| 73082 | Rush Springs | 2,714 | 17 | $59k | $134k | 3% |
| 73055 | Marlow | 10,064 | 39 | $66k | $165k | 2% |
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?
10 ZIP codes of Comanche County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Comanche | Elsewhere |
|---|---|---|
| 73055 | 2% | Stephens County 75%; Grady County 24% |
| 73572 | 4% | Cotton County 96% |
| 73082 | 3% | Grady County 97% |
| 73006 | 17% | Caddo County 83% |
| 73543 | 72% | Cotton County 28% |
| 73552 | 98% | Kiowa County 2% |
| 73017 | 4% | Caddo County 48%; Grady County 47% |
| 73528 | 13% | Cotton County 47%; Tillman County 40% |
| 73559 | 15% | Kiowa County 85% |
| 73540 | 97% | Cotton County 3% |
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 Comanche County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Comanche County's ZIP codes use 2 prefixes: 730 and 735.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 730 | Oklahoma City, OK (SCF 730) | 4 | 89 |
| 735 | Oklahoma City, OK (SCF 730) | 18 | 55 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.