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MONTGOMERY COUNTY, MARYLAND

ZIP Code Post Office Date Established Date Discontinued
20861 ASHTON 05/13/1889
20838 BARNESVILLE
20839 BEALLSVILLE
20814 BETHESDA 10/13/1862
20841 BOYDS
20862 BRINKLOW 11/08/1897 06/15/1996
20833 BROOKEVILLE 03/10/1802
20866 BURTONSVILLE
20818 CABIN JOHN 03/18/1878
20871 CLARKSBURG
COMUS 10/10/1883 05/31/1958
20872 DAMASCUS 11/28/1816
DAWSONVILLE 12/27/1825 01/17/1850
DAWSONVILLE 05/27/1850 10/28/1930
20842 DICKERSON
20877 GAITHERSBURG 08/04/1851
20896 GARRETT PARK 02/17/1890
20874 GERMANTOWN 01/01/1810
20812 GLEN ECHO 05/22/1891
20895 KENSINGTON 09/19/1873
20832 OLNEY 09/26/1851
20837 POOLESVILLE 12/05/1810
20850 ROCKVILLE 08/19/1794
20860 SANDY SPRING 02/25/1817
20907 SILVER SPRING 05/05/1899
20868 SPENCERVILLE
20880 WASHINGTON GROVE

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