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City ZIP codes · Illinois

Belleville, IL ZIP Codes

5 ZIP codes use the postal name Belleville, Illinois (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 4 residential and 1 for PO boxes or a single organization. Median household income runs from $65,952 in 62220 to $82,271 in 62221, 1.2 times as much (Census Bureau, ACS 2020-2024). Belleville's most populous ZIP code is 62221, with 29,875 people (ACS 2020-2024); 10% of its land is in the city of Belleville.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Belleville's ZIP codes?

62220: $66k median household income62221: $82k median household income62223: $74k median household income62226: $71k median household income6222162220622236222662220: $66k median household income62221: $82k median household income62223: $74k median household income62226: $71k median household income6222162220622236222662220: $66k median household income62221: $82k median household income62223: $74k median household income62226: $71k median household income62221622206222362226
The 4 residential ZIP codes named Belleville, 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 Belleville's ZIP codes?

The highest median household income is in 62221 ($82,271), the lowest in 62220 ($65,952). Home values run from $157,400 in 62220 to $217,500 in 62221.

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

All 4 residential ZIP codes of Belleville

Residential ZIP codes with the postal name Belleville, IL, largest first (ACS 2020-2024); sort by any column
County
62221 St. Clair County 29,875 854 $82k $218k
62226 St. Clair County 28,255 2,037 $71k $167k
62220 St. Clair County 19,152 663 $66k $157k
62223 St. Clair County 16,269 634 $74k $159k

Download the 5 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 Belleville

1 ZIP code named Belleville 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.

Belleville, IL: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
62222St. Clair County

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

Which counties do Belleville's ZIP codes reach?

Belleville's residential ZIP codes lie in St. Clair County.

Which places do Belleville's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Belleville's residential ZIP codes cover Belleville itself and 4 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Belleville'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 Belleville starts with 622.

Three-digit prefixes of Belleville'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 Belleville's
PrefixSectional centerHereAll codes
622 St Louis, MO (SCF 630) 5 79

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