First three digits · Oklahoma
ZIP Codes Starting with
51 ZIP codes start with 737, sorted at the Oklahoma City, OK (SCF 730) sectional center (USPS labeling list L005, effective October 1, 2026) in Oklahoma: 49 residential ZIP codes across 10 counties and 2 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 737 mean?
The first digit, 7, is one of ten national areas (Arkansas, Louisiana, Oklahoma and Texas). The first three, 737, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 737 to the Oklahoma City, OK (SCF 730) facility. The last two digits pick the delivery area. By residents, the largest town names among the 737 ZIP codes are Enid, Kingfisher, Alva, Hennessey, Fairview and Watonga.
The same facility sorts 8 prefixes, 410 ZIP codes in all: 730, 731, 734, 735, 736, 737, 738, 748.
Where are the 737 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 737
| County | ||||||
|---|---|---|---|---|---|---|
| 73701 | Enid | Garfield County | 24,476 | 169 | $51k | $101k |
| 73702 | Enid | Garfield County | PO Box or unique | – | – | – |
| 73703 | Enid | Garfield County | 30,556 | 268 | $73k | $196k |
| 73705 | Enid | Garfield County | 359 | 721 | – | – |
| 73706 | Enid | Garfield County | PO Box or unique | – | – | – |
| 73716 | Aline | Woods County | 454 | 3 | $78k | $104k |
| 73717 | Alva | Woods County | 6,852 | 10 | $51k | $142k |
| 73718 | Ames | Major County | 518 | 6 | $63k | $145k |
| 73719 | Amorita | Alfalfa County | 44 | 1 | – | $75k |
| 73720 | Bison | Garfield County | 221 | 4 | $97k | $186k |
| 73722 | Burlington | Alfalfa County | 382 | 3 | $71k | $159k |
| 73724 | Canton | Dewey County | 804 | 6 | $71k | $103k |
| 73726 | Carmen | Alfalfa County | 420 | 4 | $59k | $65k |
| 73727 | Carrier | Garfield County | 152 | 5 | – | $206k |
| 73728 | Cherokee | Alfalfa County | 1,904 | 9 | $67k | $119k |
| 73729 | Cleo Springs | Major County | 645 | 9 | $67k | $100k |
| 73730 | Covington | Garfield County | 598 | 10 | $57k | $211k |
| 73731 | Dacoma | Woods County | 102 | 3 | $62k | – |
| 73733 | Douglas | Garfield County | 221 | 4 | $101k | $110k |
| 73734 | Dover | Kingfisher County | 747 | 7 | $55k | $151k |
| 73735 | Drummond | Garfield County | 623 | 15 | $112k | – |
| 73736 | Fairmont | Garfield County | 424 | 8 | – | $259k |
| 73737 | Fairview | Major County | 3,612 | 14 | $63k | $157k |
| 73738 | Garber | Garfield County | 1,012 | 11 | $80k | $115k |
| 73739 | Goltry | Alfalfa County | 416 | 8 | $92k | $109k |
| 73741 | Helena | Alfalfa County | 1,769 | 20 | $62k | $111k |
| 73742 | Hennessey | Kingfisher County | 3,906 | 18 | $71k | $172k |
| 73743 | Hillsdale | Garfield County | 89 | 256 | $45k | $65k |
| 73744 | Hitchcock | Blaine County | 227 | 2 | $64k | $121k |
| 73746 | Hopeton | Woods County | 9 | 18 | – | – |
| 73747 | Isabella | Major County | 228 | 5 | $61k | $128k |
| 73749 | Jet | Alfalfa County | 400 | 4 | $56k | $80k |
| 73750 | Kingfisher | Kingfisher County | 7,123 | 26 | $70k | $229k |
| 73753 | Kremlin | Garfield County | 378 | 6 | $102k | $160k |
| 73754 | Lahoma | Garfield County | 1,043 | 21 | $96k | $155k |
| 73755 | Longdale | Blaine County | 707 | 9 | $79k | $125k |
| 73756 | Loyal | Kingfisher County | 292 | 4 | $63k | $153k |
| 73757 | Lucien | Noble County | 92 | 4 | – | – |
| 73758 | Manchester | Grant County | 257 | 2 | $90k | $69k |
| 73759 | Medford | Grant County | 1,335 | 4 | $52k | $104k |
| 73760 | Meno | Major County | 264 | 5 | $112k | $161k |
| 73761 | Nash | Grant County | 370 | 3 | $75k | $93k |
| 73762 | Okarche | Canadian County | 2,286 | 13 | $93k | $262k |
| 73763 | Okeene | Blaine County | 1,812 | 10 | $62k | $135k |
| 73764 | Omega | Kingfisher County | 160 | 4 | – | $188k |
| 73766 | Pond Creek | Grant County | 997 | 8 | $58k | $142k |
| 73768 | Ringwood | Major County | 1,520 | 13 | $86k | $138k |
| 73770 | Southard | Blaine County | 20 | 5 | – | – |
| 73771 | Wakita | Grant County | 420 | 3 | $40k | $59k |
| 73772 | Watonga | Blaine County | 3,260 | 14 | $59k | $117k |
| 73773 | Waukomis | Garfield County | 1,623 | 15 | $78k | $155k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.