Generally corresponds to southwestern Pennsylvania, including areas in Washington County (e.g., 15301 for Washington, PA). Postal Codes - naaccr
Standard U.S. ZIP Codes follow a specific geographic structure based on their first digits: 153954 zip
Valid ZIP Codes in this region typically fall between 15001 and 19699 . Generally corresponds to southwestern Pennsylvania
Covers Delaware, New York, and Pennsylvania. including areas in Washington County (e.g.
153954 is not a valid 5-digit United States ZIP Code. Standard U.S. ZIP Codes consist of exactly five numerical digits, while 153954 contains six. 🗺️ ZIP Code Classification