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Bethlehem, PA ZIP Codes

Bethlehem, Pennsylvania has 5 ZIP codes: 5 for street addresses (, , , and ).

Your street decides which one you use.

Which Bethlehem 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?

Bethlehem ZIP code map

ZIP code map of Bethlehem, PA4 ZIP code areas in Bethlehem: 18015, 18017, 18018, 18020. Dashed line: Bethlehem city limits. Grey areas: neighboring towns.1801518017180201801818015180171802018018HellertownCenter ValleyAllentownEastonCoopersburgNazarethNorthamptonBath18015180171802018018HellertownCenter ValleyAllentownEastonCoopersburgNazarethBath

Tap or point to an area to see its ZIP code.Full-size map

18016 has no area on the Census map. Dashed line: Bethlehem city limits.

Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).

All Bethlehem ZIP codes by type

ZIPType and post office or station
18015street delivery
Southside
18016street delivery
Bethlehem
18017street delivery
Butztown
18018street delivery
Westside
18020street delivery
Bethlehem Airport

Why your mail may say Bethlehem when you live outside it

Bethlehem ZIP codes also cover Bethlehem Township, Lower Saucon Township and Hanover Township, so a letter addressed to Bethlehem can go to a home outside the city limits.

A ZIP code does not set your city, school district or tax. Northampton County property records show which city you are in.

Bethlehem ZIP code questions

What is the main ZIP code for Bethlehem?

18016, the ZIP code of the main Bethlehem post office at 535 Wood St.

What county is Bethlehem in?

Northampton County, with parts in Lehigh County.

ZIP codes for towns near Bethlehem

More towns near Bethlehem: Upper Merion Township, Hillsborough Township, Abington Township, Lower Makefield Township, Hazleton, Tredyffrin Township, Ewing Township, Middletown Township, Cheltenham 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