County ZIP codes · Indiana · FIPS 18003
Allen County, IN ZIP Codes
Allen County, Indiana has 60 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 33 residential and 27 for PO boxes or a single organization. 26 of the residential ones lie mainly in Allen County and 7 mainly in a neighboring county; 12 cross the county line. Median household income ranges from $34,381 in 46803 to $147,280 in 46814 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Allen County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $53,359 and $84,286.
They carry 18 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 33 residential ZIP codes in Allen County
26 ZIP codes lie mainly in Allen County; 7 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 46835 | Fort Wayne | 38,166 | 1,763 | $77k | $210k | 100% |
| 46804 | Fort Wayne | 29,661 | 1,675 | $86k | $259k | 100% |
| 46845 | Fort Wayne | 29,583 | 1,293 | $113k | $339k | 100% |
| 46825 | Fort Wayne | 29,296 | 1,880 | $71k | $221k | 100% |
| 46815 | Fort Wayne | 27,238 | 2,818 | $73k | $210k | 100% |
| 46806 | Fort Wayne | 26,425 | 3,200 | $48k | $84k | 100% |
| 46818 | Fort Wayne | 21,954 | 329 | $81k | $235k | 98% |
| 46805 | Fort Wayne | 21,437 | 3,344 | $52k | $154k | 100% |
| 46808 | Fort Wayne | 19,684 | 1,858 | $53k | $141k | 100% |
| 46816 | Fort Wayne | 19,514 | 542 | $45k | $158k | 100% |
| 46774 | New Haven | 17,858 | 339 | $76k | $187k | 100% |
| 46814 | Fort Wayne | 16,778 | 881 | $147k | $399k | 88% |
| 46807 | Fort Wayne | 16,317 | 5,067 | $59k | $153k | 100% |
| 46802 | Fort Wayne | 11,177 | 2,661 | $47k | $185k | 100% |
| 46803 | Fort Wayne | 10,994 | 1,471 | $34k | $85k | 100% |
| 46819 | Fort Wayne | 9,369 | 362 | $64k | $168k | 100% |
| 46809 | Fort Wayne | 8,589 | 347 | $52k | $133k | 100% |
| 46748 | Huntertown | 6,902 | 370 | $109k | $320k | 93% |
| 46765 | Leo | 5,786 | 457 | $112k | $358k | 100% |
| 46741 | Grabill | 4,713 | 188 | $102k | $330k | 100% |
| 46797 | Woodburn | 4,097 | 82 | $104k | $261k | 100% |
| 46773 | Monroeville | 3,474 | 44 | $73k | $172k | 94% |
| 46743 | Harlan | 2,347 | 101 | $81k | $218k | 100% |
| 46745 | Hoagland | 1,793 | 97 | $90k | $242k | 100% |
| 46798 | Yoder | 954 | 53 | $82k | $198k | 97% |
| 46704 | Arcola | 70 | 1,045 | – | $78k | 100% |
Partly in Allen County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 46788 | Spencerville | 4,373 | 127 | $102k | $285k | 47% |
| 46799 | Zanesville | 375 | 590 | $83k | $168k | 39% |
| 46723 | Churubusco | 7,617 | 131 | $84k | $219k | 37% |
| 46783 | Roanoke | 7,764 | 127 | $102k | $304k | 33% |
| 46777 | Ossian | 6,081 | 105 | $73k | $201k | 5% |
| 46706 | Auburn | 20,403 | 232 | $81k | $219k | 4% |
| 46733 | Decatur | 19,318 | 112 | $65k | $176k | 3% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
12 ZIP codes of Allen County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Allen | Elsewhere |
|---|---|---|
| 46818 | 98% | Whitley County 2% |
| 46706 | 4% | DeKalb County 96% |
| 46733 | 3% | Adams County 97% |
| 46814 | 88% | Whitley County 12% |
| 46783 | 33% | Huntington County 46%; Whitley County 20%; Wells County 2% |
| 46723 | 37% | Whitley County 40%; Noble County 23% |
| 46748 | 93% | Noble County 5%; DeKalb County 3% |
| 46777 | 5% | Wells County 92%; Adams County 3% |
| 46788 | 47% | DeKalb County 53% |
| 46773 | 94% | Adams County 6% |
| 46798 | 97% | Wells County 3% |
| 46799 | 39% | Wells County 61% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 46801 | Fort Wayne |
| 46850 | Fort Wayne |
| 46851 | Fort Wayne |
| 46852 | Fort Wayne |
| 46853 | Fort Wayne |
| 46854 | Fort Wayne |
| 46855 | Fort Wayne |
| 46856 | Fort Wayne |
| 46857 | Fort Wayne |
| 46858 | Fort Wayne |
| 46859 | Fort Wayne |
| 46860 | Fort Wayne |
| 46861 | Fort Wayne |
| 46862 | Fort Wayne |
| 46863 | Fort Wayne |
| 46864 | Fort Wayne |
| 46865 | Fort Wayne |
| 46866 | Fort Wayne |
| 46867 | Fort Wayne |
| 46868 | Fort Wayne |
| 46869 | Fort Wayne |
| 46885 | Fort Wayne |
| 46895 | Fort Wayne |
| 46896 | Fort Wayne |
| 46897 | Fort Wayne |
| 46898 | Fort Wayne |
| 46899 | Fort Wayne |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Allen County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Allen County's ZIP codes use 2 prefixes: 467 and 468.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.