Roslyn US Post Office

1391 Old Northern Blvd
Roslyn, NY 11576
Phone: (516) 621-7397
Fax: (516) 766-5845
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Deer Park US Post Office

375 Carlls Path
Deer Park - 11729
(631) 667-6490

Brentwood US Post Office

25 2nd Avenue
Brentwood - 11717
(631) 273-0947

Wheatley Heights US Post Office

6 Colonial Springs Road
Wheatley Heights - 11798
(631) 643-3913

Copiague US Post Office

695 Marconi Blvd
Copiague - 11726
(631) 842-9084

Syosset US Post Office

40 Queens St
Syosset - 11791
(516) 921-0746

Holtsville US Post Office

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

North Baldwin US Post Office

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

Port Jefferson US Post Office

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

Upton US Post Office

2 Center St
Upton - 11973
(631) 344-2539

Merrick US Post Office

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