Norristown, PA ZIP Codes
Norristown, Pennsylvania has 3 ZIP codes: 2 for street addresses ( and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Norristown ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Norristown ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
19404 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Norristown borough limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Norristown ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 19401 | street delivery Conshohocken Carrier Annex |
| 19403 | street delivery Eagleville Carrier Annex |
| 19404 | PO boxes at the Norristown post office Norristown |
Why your mail may say Norristown when you live outside it
Norristown ZIP codes also cover Lower Providence Township, East Norriton Township and West Norriton Township, so a letter addressed to Norristown can go to a home outside the borough limits.
A ZIP code does not set your city, school district or tax. Montgomery County property records show which city you are in.
Norristown ZIP code questions
What is the main ZIP code for Norristown?
19401, the ZIP code of the main Conshohocken Carrier Annex post office at 101 Industrial Way.
Which Norristown ZIP codes are for PO boxes only?
19404. Mail to it goes to boxes at the post office, not to street addresses.
What county is Norristown in?
Montgomery County.
ZIP codes for towns near Norristown
More towns near Norristown: Abington Township, Drexel Hill, Upper Darby Township, Philadelphia, Warminster Township, Ridley Township, Camden, Pennsauken Township, Northampton Township.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections