Ronkonkoma US Post Office

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

160 1st St
Mineola - 11501
(516) 746-1372

Shoreham US Post Office

69 Route 25a
Shoreham - 11786
(631) 744-3185

Cold Spring Harbor US Post Office

126 Main St
Cold Spring Hbr - 11724
(631) 692-5307

Merrick US Post Office

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

Rockville US Post Office

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

Bridgehampton US Post Office

2322 Montauk Highway
Bridgehampton - 11932
(631) 537-9322

Massapequa Park US Post Office

4910 Merrick Road
Massapequa Park - 11762
(516) 798-1268

Great River US Post Office

62 River Road
Great River - 11739
(631) 581-7680

East Marion US Post Office

9165 Main Road
East Marion - 11939
(631) 477-1668

Farmingville US Post Office

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