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Post Offices by County

WESTCHESTER COUNTY,

NEW YORK

ZIP Code	Post Office	Date Established	Date Discontinued

10501	AMAWALK
10502	ARDSLEY
10503	ARDSLEY ON HUDSON
10504	ARMONK	02/10/1851
10506	BEDFORD
10507	BEDFORD HILLS
10510	BRIARCLIFF MANOR
	BRONXVILLE	07/20/1852	04/30/1911
10511	BUCHANAN	10/21/1890
10514	CHAPPAQUA
10517	CROMPOND	02/28/1933
10518	CROSS RIVER
10519	CROTON FALLS	02/25/1833
10520	CROTON-ON-HUDSON
10522	DOBBS FERRY
10523	ELMSFORD
10526	GOLDENS BRIDGE
10527	GRANITE SPRINGS
10528	HARRISON	06/29/1871
10530	HARTSDALE
10532	HAWTHORNE	02/10/1851
10533	IRVINGTON
10535	JEFFERSON VALLEY
10536	KATONAH	07/14/1832
	KENSICO	08/23/1849	07/31/1910
10537	LAKE PEEKSKILL	01/11/1933
10538	LARCHMONT
	LEWISBORO	02/03/1842	05/30/1903
10540	LINCOLNDALE	08/19/1851
10543	MAMARONECK	09/23/1812
10545	MARYKNOLL	09/12/1921
10546	MILLWOOD	12/06/1881
10547	MOHEGAN LAKE
10548	MONTROSE
10549	MOUNT KISCO
10551	MOUNT VERNON	12/27/1851
10802	NEW ROCHELLE	11/30/1798
	NORTH CASTLE	06/05/1809	04/30/1906
10560	NORTH SALEM	03/12/1819
10562	OSSINING	12/12/1797
10566	PEEKSKILL	03/20/1793
10570	PLEASANTVILLE	08/07/1873
10573	PORT CHESTER
10576	POUND RIDGE
10577	PURCHASE	01/17/1827
10578	PURDYS	08/16/1849
10579	PUTNAM VALLEY
10580	RYE
10583	SCARSDALE	06/17/1850
10587	SHENOROCK
10588	SHRUB OAK	02/19/1829
10589	SOMERS	01/29/1811
10590	SOUTH SALEM
10591	TARRYTOWN
10594	THORNWOOD
10595	VALHALLA	01/05/1861
10596	VERPLANCK	02/01/1838
10597	WACCABUC
	WEST CHESTER	05/27/1826	12/13/1895
10602	WHITE PLAINS	11/14/1797
10701	YONKERS	05/12/1796
10598	YORKTOWN HEIGHTS	09/27/1881