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U.S. ZIP Code 52568
5-digit United States postal code #52568, Martinsburg, IA
ZIP: 52568
County: Keokuk
Place Name: Martinsburg
State: Iowa
State Abbreviation: IA
Coordinates: 41° 11' 41.28" N, 92° 16' 17.4" W
Latitude: 41.194800000000
Longitude: -92.271500000000