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Helvetia (OR state) ZIP code. ZIP code of Helvetia (OR) is 97124. Below you can find map of Helvetia, or look up other ZIP codes in Oregon or other US states. If Helvetia's ZIP code is duplicated, and other places have same ZIP code number, you can use our ZIP code searcher by number 97124.
Zip Code 95945 - Grass Valley, CA. 95945 is located in the state of California in the Sacramento-Stockton-Modesto metro area.Zip code 95945 is primarily located in Nevada County. Portions of 95945 are also located in Placer County. The official postal service name used for 95945 is GRASS VALLEY, California.Portions of the 95945 zip code are contained within or border the city limits of Grass Valley, CA, Alta Sierra, CA, .The 95945 area code is 530.ortions of the 95945 zip code are contained within or border the city limits of Grass Valley, CA, Alta Sierra, CA, . The 95945 area code is 530.