The state of Pennsylvania currently has a total of 2168 Zip codes. The first digit of all ZIP codes in Pennsylvania is 1. The first two digits can be a combination of 15, 16, 17, 18 or 19. The Pennsylvania ZIP code with the largest population is Zip code 19124 in Philadelphia. The wealthiest ZIP code in Pennsylvania based on Adjusted Gross income is 19035 in Gladwyne.
- Philadelphia ZIP Codes
- Pittsburgh ZIP Codes
- Allentown ZIP Codes
- Reading ZIP Codes
- Erie ZIP Codes
- Scranton ZIP Codes
- Bethlehem ZIP Codes
- Lancaster ZIP Codes
- Harrisburg ZIP Codes
- York ZIP Codes