Levittown US Post Office

180 Gardiners Avenue
Levittown, NY 11756
Phone: (516) 735-7343
Fax: (516) 735-7319
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1

Mastic US Post Office

1450 Montauk Highway
Mastic - 11950
(631) 281-0275
2

Lynbrook US Post Office

100 Broadway
Lynbrook - 11563
(516) 599-7587
3

North Baldwin US Post Office

1620 Grand Avenue
North Baldwin - 11510
(516) 223-5710
4

Southold US Post Office

710 Traveler St
Southold - 11971
(631) 765-4027
5

Wading River US Post Office

1816 Wading River Manor Road
Wading River - 11792
(631) 929-0219
6

Holtsville US Post Office

162 Long Island Avenue
Holtsville - 11742
(631) 475-1761
7

Sayville US Post Office

130 Greene Avenue
Sayville - 11782
(631) 589-6963
8

Fishers Island US Post Office

1 Oriental Avenue
Fishers Island - 06390
(631) 788-7835
9

Huntington US Post Office

16 New York Avenue
Huntington - 11743
(631) 423-5880
10

Central Islip US Post Office

110 E Suffolk Avenue
Central Islip - 11722
(631) 234-0547