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City ZIP codes · New Hampshire

Concord, NH ZIP Codes

4 ZIP codes use the postal name Concord, New Hampshire (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 2 for PO boxes or a single organization. Median household income runs from $80,456 in 03303 to $86,840 in 03301 (Census Bureau, ACS 2020-2024). Concord's most populous ZIP code is 03301, with 33,995 people (ACS 2020-2024); 100% of its land is in the city of Concord.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Concord's ZIP codes?

03301: $87k median household income03303: $81k median household income033030330103301: $87k median household income03303: $81k median household income033030330103301: $87k median household income03303: $81k median household income0330303301
The 2 residential ZIP codes named Concord, 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 Concord's ZIP codes?

The highest median household income is in 03301 ($86,840), the lowest in 03303 ($80,456). Home values run from $296,200 in 03303 to $371,300 in 03301.

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

All 2 residential ZIP codes of Concord

Residential ZIP codes with the postal name Concord, NH, largest first (ACS 2020-2024); sort by any column
County
03301 Merrimack County 33,995 691 $87k $371k
03303 Merrimack County 16,571 244 $81k $296k

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 Concord

2 ZIP codes named Concord have 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.

Concord, NH: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
03302Merrimack County
03305Merrimack County

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

Which counties do Concord's ZIP codes reach?

Concord's residential ZIP codes lie in Merrimack County.

Which first three digits do Concord'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 Concord starts with 033.

Three-digit prefixes of Concord'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 Concord's
PrefixSectional centerHereAll codes
033 Manchester, NH (SCF 030) 4 6

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