First three digits · Oklahoma
ZIP Codes Starting with
19 ZIP codes start with 746, sorted at the Tulsa, OK (SCF 740) sectional center (USPS labeling list L005, effective October 1, 2026) in Oklahoma: 18 residential ZIP codes across 5 counties and 1 PO Box or single-organization code (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 746 mean?
The first digit, 7, is one of ten national areas (Arkansas, Louisiana, Oklahoma and Texas). The first three, 746, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 746 to the Tulsa, OK (SCF 740) facility. The last two digits pick the delivery area. By residents, the largest town names among the 746 ZIP codes are Ponca City, Blackwell, Tonkawa, Newkirk, Fairfax and Billings.
The same facility sorts 8 prefixes, 340 ZIP codes in all: 740, 741, 743, 744, 745, 746, 747, 749.
Where are the 746 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 746
| County | ||||||
|---|---|---|---|---|---|---|
| 74601 | Ponca City | Kay County | 18,916 | 118 | $52k | $100k |
| 74602 | Ponca City | Kay County | PO Box or unique | – | – | – |
| 74604 | Ponca City | Osage County | 12,189 | 91 | $80k | $210k |
| 74630 | Billings | Noble County | 890 | 7 | $42k | $104k |
| 74631 | Blackwell | Kay County | 6,689 | 65 | $54k | $87k |
| 74632 | Braman | Kay County | 553 | 5 | $89k | – |
| 74633 | Burbank | Osage County | 557 | 6 | $58k | $105k |
| 74636 | Deer Creek | Grant County | 189 | 4 | – | $214k |
| 74637 | Fairfax | Osage County | 1,510 | 8 | $53k | $68k |
| 74640 | Hunter | Garfield County | 327 | 3 | $88k | $160k |
| 74641 | Kaw City | Kay County | 552 | 15 | $62k | $128k |
| 74643 | Lamont | Grant County | 512 | 4 | $69k | $80k |
| 74644 | Marland | Noble County | 597 | 7 | $43k | $93k |
| 74646 | Nardin | Kay County | 289 | 5 | $91k | – |
| 74647 | Newkirk | Kay County | 3,534 | 13 | $63k | $120k |
| 74650 | Ralston | Osage County | 608 | 4 | $48k | $63k |
| 74651 | Red Rock | Noble County | 849 | 6 | $77k | $316k |
| 74652 | Shidler | Osage County | 793 | 3 | $71k | $88k |
| 74653 | Tonkawa | Kay County | 3,710 | 33 | $59k | $88k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.