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City ZIP codes · Massachusetts

Lawrence, MA ZIP Codes

4 ZIP codes use the postal name Lawrence, Massachusetts (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 $42,211 in 01840 to $67,585 in 01843, 1.6 times as much (Census Bureau, ACS 2020-2024). Lawrence's most populous ZIP code is 01841, with 52,769 people (ACS 2020-2024); 100% of its land is in the city of Lawrence.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Lawrence's ZIP codes?

01840: $42k median household income01841: $57k median household income01843: $68k median household income01843018410184001840: $42k median household income01841: $57k median household income01843: $68k median household income01843018410184001840: $42k median household income01841: $57k median household income01843: $68k median household income0184301841
The 3 residential ZIP codes named Lawrence, 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 Lawrence's ZIP codes?

The highest median household income is in 01843 ($67,585), the lowest in 01840 ($42,211). Home values run from $403,400 in 01841 to $429,100 in 01843.

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

All 3 residential ZIP codes of Lawrence

Residential ZIP codes with the postal name Lawrence, MA, largest first (ACS 2020-2024); sort by any column
County
01841 Essex County 52,769 17,341 $57k $403k
01843 Essex County 27,445 8,134 $68k $429k
01840 Essex County 8,522 16,710 $42k –

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 Lawrence

1 ZIP code named Lawrence 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.

Lawrence, 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
01842Essex County

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

Which counties do Lawrence's ZIP codes reach?

Lawrence's residential ZIP codes lie in Essex County.

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

Three-digit prefixes of Lawrence'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 Lawrence's
PrefixSectional centerHereAll codes
018 Middlesex-Esx, MA (SCF 018) 4 47

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