You should be aware that almost half the places that have an "East Norwich, NY 11732" mailing address are
NOT in the Hamlet of East Norwich.
For those who may not be familiar with East Norwich:
East Norwich is a hamlet (an unincorporated area) in the north part of the Town of Oyster Bay, in the northeast part of Nassau County.
Beginning on its northern border and proceeding clockwise, the Hamlet of East Norwich in the Town of Oyster Bay is bordered on the north by the Village of Upper Brockville, the Hamlet of Oyster Bay and the Village of Oyster Bay Cove; on the east by the Village of Oyster Bay Cove; on the south by the Hamlet of Syosset and the Village of Muttontown; and, on the west by the Village of Muttontown and the Village of Upper Brookville.
East Norwich is one of those many villages and hamlets on Long Island where many of the places with the community name as part of their mailing address are not in the hamlet: places that have an "East Norwich, NY 11732" mailing address that are not in the Hamlet of East Norwich are in the Village of Upper Brookville, the Hamlet of Oyster Bay and the Village of Muttontown; and, at the same time, there are places in the Hamlet of East Norwich that have an "Oyster Bay, NY 11771" mailing address.
Additionally, the "East Norwich, NY 11732" postal zone is a "bifurcated" postal zone: it consists of two non-connected areas, with the two (2) areas separated by the "Oyster Bay, NY 11771" postal zone.
For a good set of town-by-town maps showing all the villages and hamlets in each of LI's 13 towns (3 in Nassau County and 10 in Suffolk County):
http://www.city-data.com/forum/long-...-resource.html