Find the last 4 digits (ZIP+4) for an address in 97603

ZIP 97603, Klamath Falls, OR is filled in. Just type the street address.

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ZIP Code 97603 – Klamath Falls, OR

Klamath Falls, Oregon · Klamath County · Pacific time

ZIP code97603
CityKlamath Falls
StateOregon
CountyKlamath County
Population33,222
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area340.63 sq mi
Center (lat, long)42.1326, -121.6646

Area codes in this area

458541

These are the area codes that most often serve ZIP 97603 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

97634 Midland · 7.1 mi97633 Merrill · 8.6 mi97602 Klamath Falls · 8.7 mi97625 Dairy · 13.2 mi97632 Malin · 14.8 mi97623 Bonanza · 18.6 mi97627 Keno · 21.3 mi96023 Dorris · 22.2 mi

About ZIP 97603

ZIP code 97603 is assigned to Klamath Falls, Oregon. It lies in Klamath County. Its Census area covers about 340.63 square miles of land. The closest neighboring ZIP is 97634 (Midland), about 7.1 miles away.

Every address in 97603 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources