Sound Beach US Post Office

25 New York Avenue
Sound Beach, NY 11789
Phone: (631) 744-0837
Fax: (631) 360-0532
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Merrick US Post Office

2040 Merrick Road
Merrick - 11566
(516) 378-7087

Port Jefferson US Post Office

407 E Main St # 17
Port Jefferson - 11777
(631) 473-1065

Rockville US Post Office

250 Merrick Road
Rockville Centre - 11570
(516) 766-5749

Central Islip US Post Office

101 Federal Plaza
Central Islip - 11722
(631) 715-0001

Mastic Beach US Post Office

110 Mastic Road
Mastic Beach - 11951
(631) 281-0359

Holtsville US Post Office

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

Uniondale US Post Office

1000 Front St
Uniondale - 11553
(516) 481-8245

West Sayville US Post Office

12 Washington Avenue
West Sayville - 11796
(631) 589-6958

Islandia US Post Office

PO Box 7800
Islandia - 11760
(631) 582-7420

Glen Cove US Post Office

2 Glen Cove Avenue
Glen Cove - 11542
(516) 671-7847