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Post Offices by County
COBB COUNTY,
GEORGIA
ZIP Code
Post Office
Date Established
Date Discontinued
30101
ACWORTH
02/14/1839
30001
AUSTELL
30020
CLARKDALE
30144
KENNESAW
30059
MABLETON
30060
MARIETTA
09/23/1833
30127
POWDER SPRINGS
04/11/1836
30080
SMYRNA
05/02/1870
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