19401

19401 is a United States ZIP code in Montgomery County, Pennsylvania. It designates a mail delivery area centered on the town of Norristown and its immediate surroundings. The code is part of the Philadelphia-Camden-Wilmington metropolitan area, and is served by the United States Postal Service through the Norristown post office.

Geography and boundaries: The 19401 ZIP code covers central Norristown and portions of adjacent neighborhoods. As with many ZIP codes, its exact boundaries are defined for postal routing and may differ from municipal or census boundaries. It sits near the Schuylkill River and is bordered by other ZIP codes representing nearby municipalities within Montgomery County.

Usage and demographics: ZIP codes are used by the USPS for mail delivery and by government and private organizations for geographic and statistical purposes. Data collected by agencies such as the U.S. Census Bureau often align with ZIP Code Tabulation Areas or other geographies that approximate 19401. However, ZIP codes are not precise political boundaries.

Economy and infrastructure: The central Norristown area within 19401 includes commercial districts, government buildings, and public services. The ZIP code supports residential neighborhoods and local businesses within the town.

See also: List of United States ZIP codes.