First three digits · Ohio
ZIP Codes Starting with
49 ZIP codes start with 431, sorted at the Columbus, OH (SCF 430) sectional center (USPS labeling list L005, effective October 1, 2026) in Ohio: 46 residential ZIP codes across 7 counties and 3 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 431 mean?
The first digit, 4, is one of ten national areas (Indiana, Kentucky, Michigan and Ohio). The first three, 431, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 431 to the Columbus, OH (SCF 430) facility. The last two digits pick the delivery area. By residents, the largest town names among the 431 ZIP codes are Grove City, Lancaster, Pickerington, Canal Winchester, Galloway and Circleville.
The same facility sorts 9 prefixes, 490 ZIP codes in all: 430, 431, 432, 433, 437, 438, 456, 457, 458.
Where are the 431 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 431
| County | ||||||
|---|---|---|---|---|---|---|
| 43101 | Adelphi | Ross County | 316 | 1,153 | $39k | $164k |
| 43102 | Amanda | Fairfield County | 3,711 | 65 | $91k | $305k |
| 43103 | Ashville | Pickaway County | 13,130 | 157 | $83k | $270k |
| 43105 | Baltimore | Fairfield County | 8,982 | 159 | $99k | $341k |
| 43106 | Bloomingburg | Fayette County | 1,587 | 40 | $83k | $140k |
| 43107 | Bremen | Fairfield County | 3,791 | 127 | $79k | $242k |
| 43109 | Brice | Franklin County | 152 | 905 | $57k | $244k |
| 43110 | Canal Winchester | Fairfield County | 43,544 | 933 | $77k | $304k |
| 43111 | Carbon Hill | Hocking County | 249 | 615 | $47k | – |
| 43112 | Carroll | Fairfield County | 4,909 | 138 | $92k | $338k |
| 43113 | Circleville | Pickaway County | 24,480 | 151 | $67k | $237k |
| 43115 | Clarksburg | Ross County | 1,796 | 40 | $94k | $157k |
| 43116 | Commercial Point | Pickaway County | 2,684 | 2,652 | $113k | $352k |
| 43117 | Derby | Pickaway County | 7 | 412 | – | – |
| 43119 | Galloway | Franklin County | 29,660 | 924 | $91k | $254k |
| 43123 | Grove City | Franklin County | 67,626 | 1,132 | $91k | $285k |
| 43125 | Groveport | Franklin County | 14,803 | 471 | $84k | $247k |
| 43126 | Harrisburg | Franklin County | 306 | 1,949 | $63k | $183k |
| 43127 | Haydenville | Hocking County | 257 | 250 | $68k | – |
| 43128 | Jeffersonville | Fayette County | 2,002 | 41 | $51k | $173k |
| 43130 | Lancaster | Fairfield County | 62,933 | 383 | $72k | $230k |
| 43135 | Laurelville | Hocking County | 3,937 | 43 | $73k | $223k |
| 43136 | Lithopolis | Fairfield County | 2,216 | 1,856 | $114k | $335k |
| 43137 | Lockbourne | Pickaway County | 2,415 | 76 | $49k | $218k |
| 43138 | Logan | Hocking County | 18,906 | 108 | $68k | $173k |
| 43140 | London | Madison County | 24,237 | 110 | $84k | $243k |
| 43142 | Milledgeville | Fayette County | 107 | 1,202 | $56k | $101k |
| 43143 | Mount Sterling | Madison County | 5,803 | 43 | $100k | $243k |
| 43144 | Murray City | Hocking County | 295 | 44 | $35k | $82k |
| 43145 | New Holland | Pickaway County | 2,070 | 38 | $74k | $178k |
| 43146 | Orient | Pickaway County | 13,387 | 172 | $81k | $322k |
| 43147 | Pickerington | Fairfield County | 46,963 | 1,570 | $127k | $348k |
| 43148 | Pleasantville | Fairfield County | 1,898 | 70 | $72k | $242k |
| 43149 | Rockbridge | Hocking County | 2,129 | 39 | $58k | $258k |
| 43150 | Rushville | Fairfield County | 2,300 | 94 | $75k | $272k |
| 43151 | Sedalia | Madison County | 233 | 896 | $62k | $137k |
| 43152 | South Bloomingville | Hocking County | 941 | 20 | – | $180k |
| 43153 | South Solon | Madison County | 1,112 | 21 | $90k | $184k |
| 43154 | Stoutsville | Fairfield County | 3,367 | 128 | $91k | $251k |
| 43155 | Sugar Grove | Fairfield County | 2,361 | 80 | $90k | $242k |
| 43156 | Tarlton | Pickaway County | 237 | 793 | $94k | $112k |
| 43157 | Thurston | Fairfield County | 597 | 1,508 | $62k | $158k |
| 43158 | Union Furnace | Hocking County | 160 | 69 | – | – |
| 43160 | Washington Court House | Fayette County | 22,105 | 104 | $62k | $170k |
| 43162 | West Jefferson | Madison County | 6,896 | 147 | $76k | $214k |
| 43164 | Williamsport | Pickaway County | 2,176 | 35 | $68k | $190k |
| 43194 | Lockbourne | Franklin County | PO Box or unique | – | – | – |
| 43195 | Groveport | Franklin County | PO Box or unique | – | – | – |
| 43199 | Groveport | Franklin County | PO Box or unique | – | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.