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Oregon ZIP codes

All 481 ZIPs in Oregon, 97001 to 97920. Tap one on the map or in the list.

481

ZIP codes

4,254,259

people live in them

36

counties

53

PO Box & no-area ZIPs

Most people

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All 481 Oregon 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 Oregon?

481 ZIP codes are in use in Oregon. 428 cover a delivery area, and 53 are PO Box, single-building or organization ZIPs with no area of their own.

What do Oregon ZIP codes start with?

Oregon ZIP codes start with these three-digit prefixes: 970–979. Each prefix is a mail sorting area run from one processing center.

Which Oregon ZIP code has the most people?

97229 in Portland has the most residents of any Oregon ZIP, about 76,106 people in the Census Bureau’s ACS 2020–2024 estimates.

Which Oregon county has the most ZIP codes?

Multnomah County touches 70 ZIP codes, the most of the 36 counties in Oregon. 91 Oregon 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

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