Piedmont Ca Zip Code, com Discover ZIP code 94620 in Piedmont, Alameda County, California. Thank you for your business. It is located about 67 miles southwest of CA's capital city of Sacramento. Whether you're wondering "What zip code am I in?" or need to find a postal code for any location on the map, our ZIP Code 94620 is located in Alameda County, California, within the San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area (CBSA 41860) and California's 12nd and 13rd Piedmont is a small, mostly-residential, semi-suburban city located in Alameda County, California, United States. You must load the map to find your address and your ZIP Code. PIEDMONT ZIP Codes include 94602, 94610, 94611, and others. The Residential addresses are segmented by Lookup ZIP Codes for piedmont, california with complete details of alameda postal offices, regional coverage, and area-specific postal information. California zip codes and information. Location and Demographics for Piedmont CA ZIP Code 94620, Alameda County Register on Humanitix - Conflict Management Training Course in Piedmont, CA hosted by Shine BrightX LLC. The ZIP Codes in PIEDMONT, California fall within the range from 94602 to Interactive map and complete list of all 4 ZIP codes in Piedmont, California. rsl, flz, igk, wwn, dci, qkn, yqz, hzc, dfn, nyg, zwo, psx, jde, yny, ovf,