Radnor Township, PA ZIP Codes
Radnor Township, Pennsylvania has 3 ZIP codes: 3 for street addresses (, and ).
Your street decides which one you use.
Which Radnor Township 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?
Radnor Township ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
Dashed line: Radnor Township township limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and county subdivision limits (2024).
All Radnor Township ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 19010 | street delivery; mail may be addressed to Bryn Mawr Bryn Mawr |
| 19085 | street delivery; mail may be addressed to Villanova Villanova |
| 19087 | street delivery; mail may be addressed to Wayne Wayne |
ZIP codes from nearby towns that reach into Radnor Township
- 19073, mailing town Newtown Square, covers 6 percent of Radnor Township
Why your mail may say Radnor Township when you live outside it
Radnor Township ZIP codes also cover Tredyffrin Township, Wayne and Villanova, so a letter addressed to Radnor Township can go to a home outside the township limits.
The reverse happens too: parts of Radnor Township use 19073, which mails under a neighboring town's name.
A ZIP code does not set your city, school district or tax. Delaware County property records show which city you are in.
Radnor Township ZIP code questions
What is the main ZIP code for Radnor Township?
19010, the ZIP code of the main Bryn Mawr post office at 16 N Bryn Mawr Ave.
What county is Radnor Township in?
Delaware County.
ZIP codes for towns near Radnor Township
More towns near Radnor Township: Norristown, Ridley Township, Chester, Philadelphia, Cheltenham Township, Abington Township, Camden, Pennsauken Township, Warminster 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