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City ZIP codes · North Carolina

Monroe, NC ZIP Codes

3 ZIP codes use the postal name Monroe, North Carolina (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $80,495 in 28112 to $83,480 in 28110 (Census Bureau, ACS 2020-2024). Monroe's most populous ZIP code is 28110, with 56,971 people (ACS 2020-2024); 18% of its land is in the city of Monroe.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Monroe's ZIP codes?

28110: $84k median household income28112: $81k median household income281102811228110: $84k median household income28112: $81k median household income281102811228110: $84k median household income28112: $81k median household income2811028112
The 2 residential ZIP codes named Monroe, 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 Monroe's ZIP codes?

The highest median household income is in 28110 ($83,480), the lowest in 28112 ($80,495). Home values run from $296,900 in 28112 to $342,600 in 28110.

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

All 2 residential ZIP codes of Monroe

Residential ZIP codes with the postal name Monroe, NC, largest first (ACS 2020-2024); sort by any column
County
28110 Union County 56,971 447 $84k $343k
28112 Union County 28,461 215 $81k $297k

Download the 3 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 Monroe

1 ZIP code named Monroe 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.

Monroe, NC: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
28111Union County

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

Which counties do Monroe's ZIP codes reach?

Monroe's residential ZIP codes lie in Union County.

Which places do Monroe's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Monroe's residential ZIP codes cover Monroe itself and 2 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 Monroe'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 Monroe starts with 281.

Three-digit prefixes of Monroe'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 Monroe's
PrefixSectional centerHereAll codes
281 Charlotte, NC (SCF 282) 3 50

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