First three digits · Oklahoma
ZIP Codes Starting with
35 ZIP codes start with 734, sorted at the Oklahoma City, OK (SCF 730) sectional center (USPS labeling list L005, effective October 1, 2026) in Oklahoma: 33 residential ZIP codes across 8 counties and 2 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 734 mean?
The first digit, 7, is one of ten national areas (Arkansas, Louisiana, Oklahoma and Texas). The first three, 734, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 734 to the Oklahoma City, OK (SCF 730) facility. The last two digits pick the delivery area. By residents, the largest town names among the 734 ZIP codes are Ardmore, Madill, Kingston, Marietta, Tishomingo and Wilson.
The same facility sorts 8 prefixes, 410 ZIP codes in all: 730, 731, 734, 735, 736, 737, 738, 748.
Where are the 734 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 734
| County | ||||||
|---|---|---|---|---|---|---|
| 73401 | Ardmore | Carter County | 36,833 | 105 | $62k | $200k |
| 73402 | Ardmore | Carter County | PO Box or unique | – | – | – |
| 73403 | Ardmore | Carter County | PO Box or unique | – | – | – |
| 73425 | Countyline | Stephens County | 201 | 42 | $36k | – |
| 73430 | Burneyville | Love County | 1,337 | 16 | $79k | $165k |
| 73432 | Coleman | Johnston County | 862 | 15 | $61k | $122k |
| 73433 | Elmore City | Garvin County | 2,583 | 16 | $58k | $152k |
| 73434 | Foster | Stephens County | 574 | 6 | $63k | $255k |
| 73435 | Fox | Carter County | 63 | 110 | $63k | $114k |
| 73436 | Gene Autry | Carter County | 152 | 541 | $62k | $77k |
| 73437 | Graham | Carter County | 108 | 8 | $35k | $296k |
| 73438 | Healdton | Carter County | 2,938 | 42 | $50k | $71k |
| 73439 | Kingston | Marshall County | 7,141 | 55 | $56k | $171k |
| 73440 | Lebanon | Marshall County | 218 | 28 | $64k | $117k |
| 73441 | Leon | Love County | 102 | 9 | $35k | $127k |
| 73442 | Loco | Stephens County | 275 | 3 | $52k | $134k |
| 73443 | Lone Grove | Carter County | 3,380 | 83 | $59k | $185k |
| 73444 | Hennepin | Carter County | 103 | 7 | – | $121k |
| 73446 | Madill | Marshall County | 8,479 | 36 | $59k | $152k |
| 73447 | Mannsville | Johnston County | 1,090 | 17 | $50k | $98k |
| 73448 | Marietta | Love County | 5,913 | 27 | $61k | $165k |
| 73449 | Mead | Bryan County | 3,088 | 85 | $52k | $144k |
| 73450 | Milburn | Johnston County | 1,562 | 18 | $58k | $101k |
| 73453 | Overbrook | Love County | 662 | 10 | $93k | $289k |
| 73455 | Ravia | Johnston County | 590 | 76 | $62k | $73k |
| 73456 | Ringling | Jefferson County | 1,621 | 7 | $51k | $113k |
| 73458 | Springer | Carter County | 741 | 8 | $86k | $243k |
| 73459 | Thackerville | Love County | 1,569 | 44 | $69k | $223k |
| 73460 | Tishomingo | Johnston County | 4,240 | 28 | $47k | $141k |
| 73461 | Wapanucka | Johnston County | 710 | 10 | $50k | $114k |
| 73463 | Wilson | Carter County | 3,909 | 19 | $56k | $109k |
| 73481 | Ratliff City | Carter County | 842 | 11 | $63k | $104k |
| 73487 | Tatums | Carter County | 178 | 13 | $31k | $78k |
| 73488 | Tussy | Carter County | 11 | 4 | – | – |
| 73491 | Velma | Stephens County | 791 | 76 | $84k | $115k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.