Explore ZIP codes in Northumberland, Pennsylvania. This city has 25 unique ZIP Codes. Find the ZIP code for any area in Northumberland.
Coal Township
Dalmatia
Dewart
Dornsife
Elysburg
Herndon
Kulpmont
Leck Kill
Locust Gap
Marion Heights
Mc Ewensville
Milton
Montandon
Mount Carmel
Northumberland
Paxinos
Potts Grove
Rebuck
Riverside
Shamokin