Commonly, 5-digit ZIP codes in that numerical range (15xxx) belong to Pennsylvania, but 156363 is too long and invalid.
To provide the correct postal information, could you please: for any typos? Provide the City and State ? 156363 zip
If you can provide the correct 5-digit ZIP code or the city/state, I can tell you the location and post office details. Commonly, 5-digit ZIP codes in that numerical range