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City ZIP codes · Massachusetts

Lowell, MA ZIP Codes

5 ZIP codes use the postal name Lowell, Massachusetts (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 $69,780 in 01850 to $92,401 in 01851, 1.3 times as much (Census Bureau, ACS 2020-2024). Lowell's most populous ZIP code is 01852, with 37,144 people (ACS 2020-2024); 100% of its land is in the city of Lowell.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Lowell's ZIP codes?

01850: $70k median household income01851: $92k median household income01852: $81k median household income01854: $73k median household income0185201854018510185001850: $70k median household income01851: $92k median household income01852: $81k median household income01854: $73k median household income0185201854018510185001850: $70k median household income01851: $92k median household income01852: $81k median household income01854: $73k median household income01852018540185101850
The 4 residential ZIP codes named Lowell, 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 Lowell's ZIP codes?

The highest median household income is in 01851 ($92,401), the lowest in 01850 ($69,780). Home values run from $390,800 in 01850 to $467,000 in 01851.

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

All 4 residential ZIP codes of Lowell

Residential ZIP codes with the postal name Lowell, MA, largest first (ACS 2020-2024); sort by any column
County
01852 Middlesex County 37,144 7,469 $81k $424k
01851 Middlesex County 33,403 10,345 $92k $467k
01854 Middlesex County 30,081 7,596 $73k $412k
01850 Middlesex County 17,740 13,035 $70k $391k

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 Lowell

1 ZIP code named Lowell 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.

Lowell, MA: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
01853Middlesex County

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

Which counties do Lowell's ZIP codes reach?

Lowell's residential ZIP codes lie in Middlesex County.

Which first three digits do Lowell'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 Lowell starts with 018.

Three-digit prefixes of Lowell'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 Lowell's
PrefixSectional centerHereAll codes
018 Middlesex-Esx, MA (SCF 018) 5 47

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