A full 9-digit American ZIP code consists of a 5-digit code followed by a hyphen and 4 additional digits (e.g., 15701-7397).
While is not currently a valid 5-digit United States ZIP code , it aligns with a specific geographical range in western Pennsylvania . Geographic Context 157397 zip
If you are seeing a 6-digit number like "157397" in a shipping or logistics context, it is likely one of the following: A full 9-digit American ZIP code consists of