Center Moriches US Post Office

35 Railroad Avenue
Center Moriches, NY 11934
Phone: (631) 878-0953
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Greenvale US Post Office

37 Northern Blvd
Greenvale - 11548
(516) 621-7163

Shoreham US Post Office

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

East Islip US Post Office

11 Greenwood Avenue
East Islip - 11730
(631) 581-7807

Old Westbury US Post Office

1 Store Hill Road # A
Old Westbury - 11568
(516) 626-5247

Ronkonkoma US Post Office

200 Hawkins Avenue
Ronkonkoma - 11779
(631) 588-0301

Cherry Grove US Post Office

1000 Bay Walk
Cherry Grove - 11782
(631) 589-1177

Ridge US Post Office

1700 Middle Country Road
Ridge - 11961
(631) 345-6842

Seaford US Post Office

3575 Merrick Road
Seaford - 11783
(516) 785-3851

Brookhaven US Post Office

2512 Montauk Highway
Brookhaven - 11719
(631) 286-1591

Bay Shore US Post Office

1314 5th Avenue
Bay Shore - 11706
(631) 969-3504