Merrick US Post Office

2040 Merrick Road
Merrick, NY 11566
Phone: (516) 378-7087
Fax: (631) 226-5599
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Islip Terrace US Post Office

136 Carleton Avenue
Islip Terrace - 11752
(631) 581-7894

West Islip US Post Office

480 Union Blvd
West Islip - 11795
(631) 669-5157

Lawrence US Post Office

12 Bayview Avenue
Lawrence - 11559
(516) 239-2834

Nesconset US Post Office

226 Smithtown Blvd
Nesconset - 11767
(631) 265-3278

Fishers Island US Post Office

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

Sayville US Post Office

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

West Babylon US Post Office

617 W Montauk Highway
West Babylon - 11704
(631) 422-2276

Jamesport US Post Office

70 2nd St
South Jamesport - 11970
(631) 722-4317

Mastic US Post Office

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

Ridge US Post Office

1700 Middle Country Road
Ridge - 11961
(631) 345-6842