County ZIP codes · Indiana · FIPS 18049
Fulton County, IN ZIP Codes
Fulton County, Indiana has 18 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 16 residential and 2 for PO boxes or a single organization. 6 of the residential ones lie mainly in Fulton County and 10 mainly in a neighboring county; 12 cross the county line. Median household income ranges from $45,625 in 46960 (Monterey) to $79,688 in 46982 (Silver Lake) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Fulton 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 $58,293 and $69,000.
They carry 16 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 16 residential ZIP codes in Fulton County
6 ZIP codes lie mainly in Fulton County; 10 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 46975 | Rochester | 13,824 | 67 | $61k | $158k | 100% |
| 46910 | Akron | 3,221 | 54 | $69k | $204k | 69% |
| 46939 | Kewanna | 1,909 | 20 | $69k | $141k | 91% |
| 46931 | Fulton | 245 | 1,361 | $47k | $85k | 100% |
| 46922 | Delong | no residents | 0 | – | – | 100% |
| 46945 | Leiters Ford | no residents | 0 | – | – | 100% |
Partly in Fulton County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 46951 | Macy | 2,376 | 36 | $55k | $150k | 17% |
| 46511 | Culver | 3,755 | 56 | $58k | $234k | 12% |
| 46539 | Mentone | 2,659 | 76 | $74k | $159k | 8% |
| 46950 | Lucerne | 459 | 15 | $49k | $110k | 6% |
| 46988 | Twelve Mile | 1,086 | 41 | $45k | $166k | 4% |
| 46960 | Monterey | 1,018 | 25 | $46k | $151k | 4% |
| 46982 | Silver Lake | 2,604 | 59 | $80k | $190k | 3% |
| 46501 | Argos | 3,780 | 53 | $64k | $157k | 3% |
| 46570 | Tippecanoe | 1,279 | 64 | $54k | $221k | 2% |
| 46978 | Royal Center | 2,034 | 30 | $79k | $130k | 1% |
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 Fulton County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Fulton | Elsewhere |
|---|---|---|
| 46501 | 3% | Marshall County 97% |
| 46511 | 12% | Marshall County 65%; Starke County 23% |
| 46910 | 69% | Kosciusko County 25%; Miami County 6% |
| 46539 | 8% | Kosciusko County 86%; Marshall County 6% |
| 46982 | 3% | Kosciusko County 73%; Wabash County 24% |
| 46951 | 17% | Miami County 83% |
| 46978 | 1% | Cass County 89%; Pulaski County 5%; White County 5% |
| 46939 | 91% | Pulaski County 9% |
| 46570 | 2% | Marshall County 98% |
| 46988 | 4% | Cass County 96% |
| 46960 | 4% | Pulaski County 61%; Starke County 36% |
| 46950 | 6% | Cass County 94% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 46912 | Athens |
| 46935 | Grass Creek |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Fulton County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Fulton County's ZIP codes use 2 prefixes: 465 and 469.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.