Union County, Pennsylvania ZIP Codes

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ZIP Codes in Union County with Associated Cities & Towns

Union County, PA - Standard ZIP Codes
17810 | 17821 | 17837 | 17844 | 17845 | 17855 | 17856 | 17870 | 17886 | 17889
Union County, PA - PO Box ZIP Codes (NO DEMOGRAPHIC DATA)
17829 | 17835 | 17880 | 17883 | 17885 | 17887
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.
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Map of Union County, PA ZIP Codes With Actual (Default) City Names

Hartleton
Laurelton
Lewisburg
Mifflinburg
Millmont
New Berlin
New Columbia
Swengel
Vicksburg
Weikert
West Milton
White Deer
Winfield

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