The people living in ZIP code … Malin. Nearby Post Office: US BANK Post Office Address: 740 MAIN ST Post Office Suburb: KLAMATH FALLS… Merrill. NEW LISTINGS IN 97601. Interactive map of zip codes in the US, Klamath (OR). Klamath Falls, OR Stats and Demographics for the 97603 ZIP Code. It also has a slightly less than average population density. Explore Klamath Falls, Oregon zip code map, area code information, demographic, social and economic profile. On this site you will find information on all USA Zip codes and many tools to calculate distance between zip codes, shipping costs, zip codes radiuses etc. Try Now. 97601 97602 97603. ZIP code 97603 is located in southern Oregon and covers a large land area compared to other ZIP codes in the United States. ZIP code 97601 is located in southwest Oregon and covers an extremely large land area compared to other ZIP codes in the United States. 97633. 2016 cost of living index in zip code 97601: 86.4 (less than average, U.S. average is 100) Land area: 555.3 sq. Midland. Sprague River. Water area: 38.0 sq. ZIP Code 97603 for Klamath Falls OR, area code, information on county, other general info and maps. You can also enlarge the map to see the boundaries of US zip codes. ZIP CODES IN KLAMATH FALLS (ZIP 97601), OREGON Klamath Falls (zip 97601) PREMIUM MEMBERSHIP. Just click on the location you desire for a postal code/address for your mails destination. Database Download: Klamath Falls, Oregon Zip Code Map & Detailed Profile: Klamath Falls Summary. Klamath Falls. Search by Map. County: Klamath State: Oregon Zip Codes Country: USA Find More Cities in Oregon that start with K . 97632. 97634. ZIP Code Add On: 8326 to 8326 LACS Status: Government Building: Finance Number: 404576 Congressional District Number: 02 Preferred Last Line Key: Z15170: 9-digit Postal Code: 97603-8327 5-digit ZIP: 97603 ZIP 4: 8327 County: KLAMATH FIPS County Code: 41035 State: OR City: KLAMATH FALLS Street: BARTLETT AVE Members receive 10 FREE city profile downloads a month, unlimited access to our detailed cost of living calculator and analysis, unlimited access to our DataEngine, and more. mi. Klamath Falls, OR Acceptable: Oretech Unacceptable: Kfalls, Kingsley Field, Worden Stats and Demographics for the 97601 ZIP Code. Klamath Falls is located in Oregon Latitude: 42.297931 Longitude: -121.843697 mi. Zip code 97601 statistics: (Find on map) Estimated zip code population in 2016: 22,251 Zip code population in 2010: 22,459 Zip code population in 2000: 21,828 Mar. 97639.