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Post Offices by County

NEW HAVEN COUNTY, CONNECTICUT

ZIP Code Post Office Date Established Date Discontinued
06401 ANSONIA
06403 BEACON FALLS 10/27/1855
06405 BRANFORD 00/00/1806
06410 CHESHIRE 10/20/1828
06418 DERBY
EAST HAVEN 01/27/1824 02/28/1917
06437 GUILFORD 07/01/1793
06443 MADISON
06450 MERIDEN 01/08/1846
06762 MIDDLEBURY
06460 MILFORD 05/09/1795
06770 NAUGATUCK
06511 NEW HAVEN 00/00/1755
06471 NORTH BRANFORD
06473 NORTH HAVEN
06472 NORTHFORD
06477 ORANGE 08/06/1844
06483 SEYMOUR 11/24/1812
06487 SOUTH BRITAIN 04/06/1827 11/09/2002
SOUTH HAVEN 06/03/1869 06/28/1881
06488 SOUTHBURY
UNION CITY 06/10/1879 04/30/1904
06492 WALLINGFORD 05/26/1794
06701 WATERBURY

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