Note: Every ZIP Code has a single ACTUAL City Name assigned by the US Postal Service (USPS).
See the specific ZIP Code for acceptable Alternate City Names and spelling variations.
ZIP Codes in Northumberland County Address Data
Businesses Addresses: 3,674
PO Box Addresses: 2,162
Residential Addresses: 54,203
Multi-Family Addresses: 2,210
Single Family Addresses: 51,938
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Map of Northumberland County, PA ZIP Codes With Actual (Default) City Names
