First three digits · Ohio
ZIP Codes Starting with
19 ZIP codes start with 438, sorted at the Columbus, OH (SCF 430) sectional center (USPS labeling list L005, effective October 1, 2026) in Ohio: 17 residential ZIP codes across 4 counties and 2 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 438 mean?
The first digit, 4, is one of ten national areas (Indiana, Kentucky, Michigan and Ohio). The first three, 438, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 438 to the Columbus, OH (SCF 430) facility. The last two digits pick the delivery area. By residents, the largest town names among the 438 ZIP codes are Coshocton, Newcomerstown, Nashport, Frazeysburg, West Lafayette and Fresno.
The same facility sorts 9 prefixes, 490 ZIP codes in all: 430, 431, 432, 433, 437, 438, 456, 457, 458.
Where are the 438 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 438
| County | ||||||
|---|---|---|---|---|---|---|
| 43802 | Adamsville | Muskingum County | 1,313 | 32 | $72k | $206k |
| 43803 | Bakersville | Coshocton County | PO Box or unique | – | – | – |
| 43804 | Baltic | Holmes County | 3,425 | 112 | $72k | $220k |
| 43805 | Blissfield | Coshocton County | 302 | 294 | – | – |
| 43811 | Conesville | Coshocton County | 354 | 17 | $36k | $104k |
| 43812 | Coshocton | Coshocton County | 18,532 | 118 | $53k | $152k |
| 43821 | Dresden | Muskingum County | 3,998 | 49 | $65k | $179k |
| 43822 | Frazeysburg | Muskingum County | 5,095 | 58 | $60k | $207k |
| 43824 | Fresno | Coshocton County | 4,568 | 58 | $55k | $184k |
| 43828 | Keene | Coshocton County | PO Box or unique | – | – | – |
| 43830 | Nashport | Muskingum County | 6,549 | 131 | $88k | $234k |
| 43832 | Newcomerstown | Tuscarawas County | 6,942 | 69 | $58k | $139k |
| 43836 | Plainfield | Coshocton County | 112 | 918 | $51k | $121k |
| 43837 | Port Washington | Tuscarawas County | 1,329 | 27 | $59k | $114k |
| 43840 | Stone Creek | Tuscarawas County | 1,350 | 39 | $64k | $154k |
| 43842 | Trinway | Muskingum County | 286 | 1,063 | $73k | $128k |
| 43843 | Walhonding | Coshocton County | 618 | 14 | $61k | $178k |
| 43844 | Warsaw | Coshocton County | 3,760 | 30 | $61k | $153k |
| 43845 | West Lafayette | Coshocton County | 4,787 | 169 | $54k | $134k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.