ZIP Codes in East Petersburg, PA
East Petersburg uses 1 ZIP code, all in Lancaster County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 1 East Petersburg ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 17520 | standard | Lancaster | 5,040 |
Finding a ZIP+4 in East Petersburg
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 East Petersburg 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 East Petersburg addresses and download it complete.