Pennsylvania ZIP codes

All 2,176 ZIPs in Pennsylvania, 15001 to 19612. Tap one on the map or in the list.

2,176

ZIP codes

13,018,639

people live in them

counties

343

PO Box & no-area ZIPs

Most people

← All states

All 2,176 Pennsylvania ZIP codes

ZIP codes by county

Pick a county for its ZIP list and map. Counts include ZIPs that only partly reach into the county.

Questions people actually ask

How many ZIP codes are in Pennsylvania?

2,176 ZIP codes are in use in Pennsylvania. 1,833 cover a delivery area, and 343 are PO Box, single-building or organization ZIPs with no area of their own.

What do Pennsylvania ZIP codes start with?

Pennsylvania ZIP codes start with these three-digit prefixes: 150–196. Each prefix is a mail sorting area run from one processing center.

Which Pennsylvania ZIP code has the most people?

19124 in Philadelphia has the most residents of any Pennsylvania ZIP, about 71,004 people in the Census Bureau’s ACS 2020–2024 estimates.

Which Pennsylvania county has the most ZIP codes?

Allegheny County touches 158 ZIP codes, the most of the 67 counties in Pennsylvania. 361 Pennsylvania ZIPs reach into more than one county.

Are these the official USPS ZIP code boundaries?

The map uses Census ZIP Code Tabulation Areas, the standard public stand-in for USPS delivery areas. They match for almost every home. For a mailing address, the USPS ZIP Code lookup has the final word.

Keep exploring

My ZIP codeYour ZIP, lit up on the map, with the numbers behind it.Open What county am I inYour county, lit up with its border and how far the county line is.Open What time zone am I inYour zone, UTC offset and daylight saving, plus every US zone at a glance.Open ZIP code mapEvery US ZIP code with its boundary. Hover, tap, color by data.Open Radius mapDrag a circle and watch every ZIP inside light up. Copy or export.Open ZIP GuessrFive ZIPs a day. Tap where each one is, keep your streak, share your score.Open ZIP codes near meEvery ZIP around you, nearest first, with distance and direction.Open ZIP distanceMiles between two ZIP codes, drawn as a flight path.Open

Updated 2026-11-10 · Where the data comes from