Ronkonkoma US Post Office

200 Hawkins Avenue
Ronkonkoma, NY 11779
Phone: (631) 588-0301
Fax: (516) 766-5845
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Great Neck US Post Office

661 Middle Neck Road
Great Neck - 11023
(516) 829-6315

Shirely US Post Office

800 Montauk Highway # 1
Shirley - 11967
(631) 281-0479

Farmingville US Post Office

500 Horseblock Road
Farmingville - 11738
(631) 732-8625

Plainview US Post Office

1662 Old Country Road
Plainview - 11803
(516) 845-7162

New Suffolk US Post Office

375 1st St
New Suffolk - 11956
(631) 734-6271

Commack US Post Office

150 Veterans Memorial Highway
Commack - 11725
(631) 543-3647

US Post Office Processing Center

160 Duryea Road
Melville - 11747
(631) 755-2575

Lake Grove US Post Office

1001 Hawkins Avenue
Lake Grove - 11755
(631) 588-7019

Garden City US Post Office

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

Bellport US Post Office

26 Station Road
Bellport - 11713
(631) 286-8561