First three digits · Oklahoma
ZIP Codes Starting with
55 ZIP codes start with 735, sorted at the Oklahoma City, OK (SCF 730) sectional center (USPS labeling list L005, effective October 1, 2026) in Oklahoma: 48 residential ZIP codes across 9 counties and 7 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 735 mean?
The first digit, 7, is one of ten national areas (Arkansas, Louisiana, Oklahoma and Texas). The first three, 735, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 735 to the Oklahoma City, OK (SCF 730) facility. The last two digits pick the delivery area. By residents, the largest town names among the 735 ZIP codes are Lawton, Duncan, Altus, Fort Sill, Elgin and Cache.
The same facility sorts 8 prefixes, 410 ZIP codes in all: 730, 731, 734, 735, 736, 737, 738, 748.
Where are the 735 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 735
| County | ||||||
|---|---|---|---|---|---|---|
| 73501 | Lawton | Comanche County | 20,397 | 194 | $50k | $133k |
| 73502 | Lawton | Comanche County | PO Box or unique | – | – | – |
| 73503 | Fort Sill | Comanche County | 11,468 | 155 | $61k | – |
| 73505 | Lawton | Comanche County | 47,790 | 740 | $58k | $158k |
| 73506 | Lawton | Comanche County | PO Box or unique | – | – | – |
| 73507 | Lawton | Comanche County | 21,046 | 86 | $62k | $159k |
| 73520 | Addington | Jefferson County | 91 | 18 | $40k | $82k |
| 73521 | Altus | Jackson County | 20,155 | 108 | $61k | $161k |
| 73522 | Altus | Jackson County | PO Box or unique | – | – | – |
| 73523 | Altus Afb | Jackson County | 243 | 877 | – | – |
| 73526 | Blair | Jackson County | 2,049 | 26 | $66k | $222k |
| 73527 | Cache | Comanche County | 5,109 | 67 | $75k | $203k |
| 73528 | Chattanooga | Cotton County | 617 | 6 | $60k | $156k |
| 73529 | Comanche | Stephens County | 4,898 | 20 | $70k | $114k |
| 73530 | Davidson | Tillman County | 340 | 3 | $43k | $85k |
| 73531 | Devol | Cotton County | 368 | 5 | $69k | $181k |
| 73532 | Duke | Jackson County | 451 | 3 | $68k | $96k |
| 73533 | Duncan | Stephens County | 27,618 | 84 | $60k | $145k |
| 73534 | Duncan | Stephens County | PO Box or unique | – | – | – |
| 73536 | Duncan | Stephens County | PO Box or unique | – | – | – |
| 73537 | Eldorado | Jackson County | 543 | 4 | $60k | $57k |
| 73538 | Elgin | Comanche County | 7,128 | 88 | $91k | $289k |
| 73539 | Elmer | Jackson County | 189 | 3 | $104k | $110k |
| 73540 | Faxon | Comanche County | 324 | 6 | $87k | $211k |
| 73541 | Fletcher | Comanche County | 3,257 | 38 | $61k | $172k |
| 73542 | Frederick | Tillman County | 4,092 | 14 | $50k | $96k |
| 73543 | Geronimo | Comanche County | 1,993 | 30 | $87k | $117k |
| 73544 | Gould | Harmon County | 178 | 2 | $36k | $64k |
| 73546 | Grandfield | Tillman County | 1,127 | 7 | $34k | $61k |
| 73547 | Granite | Greer County | 1,853 | 16 | $64k | $121k |
| 73548 | Hastings | Cotton County | 428 | 7 | – | $98k |
| 73549 | Headrick | Jackson County | 320 | 4 | $191k | $228k |
| 73550 | Hollis | Harmon County | 2,179 | 9 | $44k | $80k |
| 73551 | Hollister | Tillman County | 11 | 0 | – | $74k |
| 73552 | Indiahoma | Comanche County | 1,404 | 13 | $86k | $153k |
| 73553 | Loveland | Tillman County | 19 | 1 | $49k | $67k |
| 73554 | Mangum | Greer County | 3,309 | 9 | $56k | $106k |
| 73555 | Manitou | Tillman County | 239 | 13 | $66k | $46k |
| 73556 | Martha | Jackson County | 134 | 532 | $64k | $107k |
| 73557 | Medicine Park | Comanche County | 261 | 286 | $118k | $327k |
| 73558 | Meers | Comanche County | PO Box or unique | – | – | – |
| 73559 | Mountain Park | Kiowa County | 345 | 3 | $28k | $92k |
| 73560 | Olustee | Jackson County | 654 | 5 | $63k | $102k |
| 73561 | Oscar | Jefferson County | PO Box or unique | – | – | – |
| 73562 | Randlett | Cotton County | 535 | 5 | $67k | $141k |
| 73564 | Roosevelt | Kiowa County | 386 | 2 | $69k | $101k |
| 73565 | Ryan | Jefferson County | 941 | 5 | $54k | $63k |
| 73566 | Snyder | Kiowa County | 1,459 | 13 | $42k | $106k |
| 73567 | Sterling | Comanche County | 781 | 633 | $66k | $127k |
| 73568 | Temple | Cotton County | 1,144 | 12 | $30k | $55k |
| 73569 | Terral | Jefferson County | 342 | 5 | $37k | $81k |
| 73570 | Tipton | Tillman County | 970 | 8 | $67k | $75k |
| 73571 | Vinson | Harmon County | 33 | 0 | $37k | $161k |
| 73572 | Walters | Cotton County | 3,045 | 12 | $57k | $124k |
| 73573 | Waurika | Jefferson County | 2,416 | 12 | $49k | $79k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.