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City ZIP codes · Pennsylvania

Norristown, PA ZIP Codes

3 ZIP codes use the postal name Norristown, Pennsylvania (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 $69,908 in 19401 to $104,071 in 19403, 1.5 times as much (Census Bureau, ACS 2020-2024). Norristown's most populous ZIP code is 19403, with 44,017 people (ACS 2020-2024); 0% of its land is in the city of Norristown.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Norristown's ZIP codes?

19401: $70k median household income19403: $104k median household income194031940119401: $70k median household income19403: $104k median household income194031940119401: $70k median household income19403: $104k median household income1940319401
The 2 residential ZIP codes named Norristown, 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 Norristown's ZIP codes?

The highest median household income is in 19403 ($104,071), the lowest in 19401 ($69,908). Home values run from $234,000 in 19401 to $375,100 in 19403.

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

All 2 residential ZIP codes of Norristown

Residential ZIP codes with the postal name Norristown, PA, largest first (ACS 2020-2024); sort by any column
County
19403 Montgomery County 44,017 1,968 $104k $375k
19401 Montgomery County 43,359 7,049 $70k $234k

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 Norristown

1 ZIP code named Norristown 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.

Norristown, PA: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
19404Montgomery County

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

Which counties do Norristown's ZIP codes reach?

Norristown's residential ZIP codes lie in Montgomery County.

Which places do Norristown's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Norristown's residential ZIP codes cover Norristown itself and 3 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Audubon census-designated 19403
  • Eagleville census-designated 19403
  • Trooper census-designated 19403

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Norristown'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 Norristown starts with 194.

Three-digit prefixes of Norristown'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 Norristown's
PrefixSectional centerHereAll codes
194 Philadelphia, PA (SCF 190) 3 59

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