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U.S. ZIP Code 94540
5-digit United States postal code #94540, Hayward, CA
ZIP: 94540
County: Alameda
Place Name: Hayward
State: California
State Abbreviation: CA
Coordinates: 37° 40' 48.72" N, 121° 55' 17.4" W
Latitude: 37.680200000000
Longitude: -121.921500000000