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Pennsylvania ZIP codes

Pennsylvania has 2,176 ZIP codes (15001–19612) across 1,786 cities and towns and 67 counties.

ZIP codes
2,176
With delivery area
1,833
Population in ZIPs
13,018,639
Cities & towns
1,786
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Richest ZIP codes in Pennsylvania Most expensive ZIP codes

Zoom in to see ZIP code boundaries. Click a dot to open a ZIP code, or anywhere else to see which ZIP it's in.

Largest cities in Pennsylvania

Pennsylvania ZIP codes by county

Most populated Pennsylvania ZIP codes

  1. 19124 Philadelphia – 71,004
  2. 17603 Lancaster – 67,571
  3. 19120 Philadelphia – 66,469
  4. 19111 Philadelphia – 66,283
  5. 19143 Philadelphia – 62,572
  6. 19446 Lansdale – 61,848
  7. 19149 Philadelphia – 56,914
  8. 19020 Bensalem – 56,809
  9. 17331 Hanover – 56,443
  10. 15601 Greensburg – 56,425

All Pennsylvania cities and towns

Frequently asked questions

How many ZIP codes are in Pennsylvania?

Pennsylvania has 2,176 ZIP codes: 1,833 with a delivery area and 343 PO Box or single-organization ZIP codes.

What ZIP codes does Pennsylvania use?

Pennsylvania ZIP codes run from 15001 to 19612.

Which Pennsylvania ZIP code has the most people?

ZIP code 19124 in Philadelphia has the largest population, about 71,004 residents (ACS 2020–2024).