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City ZIP codes · Rhode Island

Warwick, RI ZIP Codes

4 ZIP codes use the postal name Warwick, Rhode Island (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 3 residential and 1 for PO boxes or a single organization. Median household income runs from $83,946 in 02889 to $92,047 in 02886 (Census Bureau, ACS 2020-2024). Warwick's most populous ZIP code is 02886, with 31,293 people (ACS 2020-2024); 100% of its land is in the city of Warwick.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Warwick's ZIP codes?

02886: $92k median household income02888: $92k median household income02889: $84k median household income02886028890288802886: $92k median household income02888: $92k median household income02889: $84k median household income02886028890288802886: $92k median household income02888: $92k median household income02889: $84k median household income028860288902888
The 3 residential ZIP codes named Warwick, 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 Warwick's ZIP codes?

The highest median household income is in 02886 ($92,047), the lowest in 02889 ($83,946). Home values run from $336,000 in 02889 to $366,400 in 02886.

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

All 3 residential ZIP codes of Warwick

Residential ZIP codes with the postal name Warwick, RI, largest first (ACS 2020-2024); sort by any column
County
02886 Kent County 31,293 1,981 $92k $366k
02889 Kent County 27,516 3,254 $84k $336k
02888 Kent County 19,134 3,245 $92k $350k

Download the 4 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 Warwick

1 ZIP code named Warwick 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.

Warwick, RI: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
02887Kent County

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

Which counties do Warwick's ZIP codes reach?

Warwick's residential ZIP codes lie in Kent County.

Which first three digits do Warwick'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 Warwick starts with 028.

Three-digit prefixes of Warwick'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 Warwick's
PrefixSectional centerHereAll codes
028 Providence, RI (SCF 028) 4 69

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