ZIP Codes in Hellertown, PA
Hellertown uses 1 ZIP code, all in Northampton County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 1 Hellertown ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 18055 | standard | Northampton | 12,117 |
Finding a ZIP+4 in Hellertown
Knowing which of these 1 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Hellertown street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of Hellertown addresses and download it complete.