ZIP Codes in Summerville, PA
Summerville uses 1 ZIP code, all in Jefferson County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 1 Summerville ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 15864 | standard | Jefferson | 1,789 |
Finding a ZIP+4 in Summerville
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 Summerville 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 Summerville addresses and download it complete.