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City ZIP codes · Indiana

Warsaw, IN ZIP Codes

3 ZIP codes use the postal name Warsaw, Indiana (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $66,738 in 46582 to $71,687 in 46580 (Census Bureau, ACS 2020-2024). Warsaw's most populous ZIP code is 46580, with 21,794 people (ACS 2020-2024); 13% of its land is in the city of Warsaw.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Warsaw's ZIP codes?

46580: $72k median household income46582: $67k median household income465804658246580: $72k median household income46582: $67k median household income465804658246580: $72k median household income46582: $67k median household income4658046582
The 2 residential ZIP codes named Warsaw, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Warsaw's ZIP codes?

The highest median household income is in 46580 ($71,687), the lowest in 46582 ($66,738). Home values run from $192,600 in 46580 to $255,300 in 46582.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 2 residential ZIP codes of Warsaw

Residential ZIP codes with the postal name Warsaw, IN, largest first (ACS 2020-2024); sort by any column
County
46580 Kosciusko County 21,794 306 $72k $193k
46582 Kosciusko County 14,604 253 $67k $255k

Download the 3 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Warsaw

1 ZIP code named Warsaw has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Warsaw, IN: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
46581Kosciusko County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Warsaw's ZIP codes reach?

Warsaw's residential ZIP codes lie in Kosciusko County.

Which first three digits do Warsaw's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Warsaw starts with 465.

Three-digit prefixes of Warsaw's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Warsaw's
PrefixSectional centerHereAll codes
465 South Bend, IN (SCF 465) 3 52

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.