ZIP Codes Box

Union County, Pennsylvania ZIP codes

13ZIP codes
13Cities and towns
45,212People in ZIP areas
223, 272, 570Area codes

Union County is in Pennsylvania and the Eastern Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.

All ZIP codes in Union County

ZIP codeCityTypePopulationMedian income
17810AllenwoodStandard5,309$77,232
17829HartletonPO Box only212$80,417
17835LaureltonPO Box only114$48,611
17837LewisburgStandard18,403$88,975
17844MifflinburgStandard10,291$68,314
17845MillmontStandard2,058$66,510
17855New BerlinStandard1,014$88,929
17856New ColumbiaStandard3,167$91,661
17880SwengelPO Box only29$61,667
17885WeikertPO Box only181$92,917
17886West MiltonStandard804$47,574
17887White DeerPO Box only591–
17889WinfieldStandard3,039$89,063

Cities and towns in Union County

Area codes in Union County

Questions

How many ZIP codes are in Union County, PA?
Union County has 13 ZIP codes, 8 of them standard ZIP codes for street addresses.
What cities are in Union County?
Union County ZIP codes cover Allenwood, Hartleton, Laurelton, Lewisburg, Mifflinburg, Millmont, New Berlin and New Columbia and 5 other places.
What area code is Union County, PA?
Union County uses area codes 223, 272, 570, 582, 717 and 814.
What time zone is Union County in?
Union County is in Eastern Time.

Other Pennsylvania counties