Deer Park US Post Office

375 Carlls Path
Deer Park, NY 11729
Phone: (631) 667-6490
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Garden City US Post Office

630 Old Country Road # 530
Garden City - 11530
(516) 746-1394

East Norwich US Post Office

1001 Oyster Bay Road
East Norwich - 11732
(516) 922-8283

Wainscott US Post Office

357 Montauk Highway
Wainscott - 11975
(631) 537-8943

Sayville US Post Office

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

Peconic US Post Office

2575 Peconic Ln
Peconic - 11958
(631) 765-9348

Floral Park US Post Office

35 Tulip Avenue
Floral Park - 11001
(516) 616-5184

Wading River US Post Office

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

Mastic Beach US Post Office

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

East Northport US Post Office

297 Larkfield Road
East Northport - 11731
(631) 368-5632

Hauppauge US Post Office

960 Wheeler Road
Hauppauge - 11788
(631) 360-6712