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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.
Postal ZIP Code-Details. ZIP code 95340 is centered in Merced County and overlaps Medical Service Study Area(s) 96, 97.1, 97.1, 97.3 and 97.3. Census tract(s) 06047000903, 06047001101, 06047001102, 06047001200, 06047001301, 06047001302, 06047001401, 06047001402, 06047001801, 06047001802 and 06047001901 overlap this ZIP code area too.