First three digits · Ohio
ZIP Codes Starting with
69 ZIP codes start with 456, sorted at the Columbus, OH (SCF 430) sectional center (USPS labeling list L005, effective October 1, 2026) in Ohio: 64 residential ZIP codes across 8 counties and 5 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 456 mean?
The first digit, 4, is one of ten national areas (Indiana, Kentucky, Michigan and Ohio). The first three, 456, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 456 to the Columbus, OH (SCF 430) facility. The last two digits pick the delivery area. By residents, the largest town names among the 456 ZIP codes are Chillicothe, Portsmouth, Ironton, Jackson, Waverly and Gallipolis.
The same facility sorts 9 prefixes, 490 ZIP codes in all: 430, 431, 432, 433, 437, 438, 456, 457, 458.
Where are the 456 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 456
| County | ||||||
|---|---|---|---|---|---|---|
| 45601 | Chillicothe | Ross County | 55,836 | 160 | $60k | $173k |
| 45612 | Bainbridge | Ross County | 4,933 | 44 | $54k | $147k |
| 45613 | Beaver | Pike County | 3,228 | 39 | $31k | $160k |
| 45614 | Bidwell | Gallia County | 5,450 | 77 | $60k | $162k |
| 45616 | Blue Creek | Adams County | 1,350 | 19 | $68k | $183k |
| 45617 | Bourneville | Ross County | no residents | 0 | – | – |
| 45618 | Cherry Fork | Adams County | no residents | 0 | – | – |
| 45619 | Chesapeake | Lawrence County | 7,409 | 231 | $59k | $145k |
| 45620 | Cheshire | Gallia County | 675 | 31 | $77k | $157k |
| 45621 | Coalton | Jackson County | 509 | 1,065 | $47k | $55k |
| 45622 | Creola | Vinton County | 686 | 31 | $49k | – |
| 45623 | Crown City | Gallia County | 3,203 | 44 | $57k | $126k |
| 45624 | Cynthiana | Pike County | no residents | 0 | – | – |
| 45628 | Frankfort | Ross County | 5,999 | 79 | $73k | $183k |
| 45629 | Franklin Furnace | Scioto County | 3,055 | 95 | $61k | $174k |
| 45630 | Friendship | Scioto County | 188 | 851 | – | – |
| 45631 | Gallipolis | Gallia County | 13,386 | 117 | $57k | $156k |
| 45633 | Hallsville | Ross County | PO Box or unique | – | – | – |
| 45634 | Hamden | Vinton County | 1,675 | 48 | $52k | $96k |
| 45636 | Haverhill | Scioto County | 330 | 194 | $74k | $139k |
| 45638 | Ironton | Lawrence County | 19,982 | 260 | $53k | $119k |
| 45640 | Jackson | Jackson County | 15,882 | 91 | $60k | $169k |
| 45642 | Jasper | Pike County | no residents | 0 | – | – |
| 45643 | Kerr | Gallia County | PO Box or unique | – | – | – |
| 45644 | Kingston | Ross County | 4,619 | 76 | $74k | $238k |
| 45645 | Kitts Hill | Lawrence County | 2,801 | 61 | $65k | $100k |
| 45646 | Latham | Pike County | 129 | 9 | – | – |
| 45647 | Londonderry | Vinton County | 1,869 | 28 | $70k | $216k |
| 45648 | Lucasville | Scioto County | 11,330 | 81 | $72k | $174k |
| 45650 | Lynx | Adams County | 423 | 29 | – | $94k |
| 45651 | McArthur | Vinton County | 5,340 | 38 | $56k | $169k |
| 45652 | McDermott | Scioto County | 3,360 | 96 | $43k | $137k |
| 45653 | Minford | Scioto County | 3,528 | 83 | $82k | $176k |
| 45654 | New Plymouth | Vinton County | 746 | 14 | $46k | $315k |
| 45656 | Oak Hill | Jackson County | 7,013 | 52 | $59k | $117k |
| 45657 | Otway | Scioto County | 2,173 | 23 | $64k | $118k |
| 45658 | Patriot | Gallia County | 2,539 | 27 | $64k | $117k |
| 45659 | Pedro | Lawrence County | 2,614 | 26 | $60k | $125k |
| 45660 | Peebles | Adams County | 7,936 | 39 | $57k | $162k |
| 45661 | Piketon | Pike County | 6,823 | 68 | $53k | $155k |
| 45662 | Portsmouth | Scioto County | 26,909 | 484 | $37k | $102k |
| 45663 | West Portsmouth | Scioto County | 6,577 | 98 | $49k | $129k |
| 45669 | Proctorville | Lawrence County | 10,243 | 287 | $68k | $189k |
| 45671 | Rarden | Scioto County | 457 | 31 | $51k | – |
| 45672 | Ray | Vinton County | 1,361 | 24 | $49k | – |
| 45673 | Richmond Dale | Ross County | 473 | 965 | $64k | $87k |
| 45674 | Rio Grande | Gallia County | 618 | 528 | $21k | $186k |
| 45675 | Rock Camp | Lawrence County | PO Box or unique | – | – | – |
| 45677 | Scioto Furnace | Scioto County | 27 | 42 | – | – |
| 45678 | Scottown | Lawrence County | 1,034 | 23 | $63k | $84k |
| 45679 | Seaman | Adams County | 2,841 | 45 | $55k | $158k |
| 45680 | South Point | Lawrence County | 11,548 | 334 | $55k | $165k |
| 45681 | South Salem | Ross County | 1,451 | 40 | $50k | $143k |
| 45682 | South Webster | Scioto County | 2,124 | 44 | $56k | $188k |
| 45683 | Stockdale | Pike County | PO Box or unique | – | – | – |
| 45684 | Stout | Adams County | 1,507 | 18 | $51k | $133k |
| 45685 | Thurman | Jackson County | 1,050 | 35 | $62k | $115k |
| 45686 | Vinton | Gallia County | 3,372 | 35 | $55k | $166k |
| 45687 | Wakefield | Pike County | PO Box or unique | – | – | – |
| 45688 | Waterloo | Lawrence County | 210 | 6 | – | $53k |
| 45690 | Waverly | Pike County | 13,988 | 99 | $54k | $166k |
| 45692 | Wellston | Jackson County | 7,997 | 98 | $55k | $134k |
| 45693 | West Union | Adams County | 8,714 | 66 | $44k | $182k |
| 45694 | Wheelersburg | Scioto County | 11,978 | 176 | $60k | $180k |
| 45695 | Wilkesville | Vinton County | 572 | 17 | $50k | $105k |
| 45696 | Willow Wood | Lawrence County | 839 | 24 | – | $166k |
| 45697 | Winchester | Adams County | 5,222 | 54 | $71k | $206k |
| 45698 | Zaleski | Vinton County | 386 | 166 | – | – |
| 45699 | Lucasville | Scioto County | 1,285 | 5,079 | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.