Centerport US Post Office

434 E Main St
Centerport, NY 11721
Phone: (631) 261-6918
Fax: (631) 757-6784
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Hicksville US Post Office

109 Ludy St
Hicksville - 11801
(516) 433-9188

St. James US Post Office

325 Lake Avenue
St James - 11780
(631) 584-4138

West Sayville US Post Office

12 Washington Avenue
West Sayville - 11796
(631) 589-6958

Water Mill US Post Office

670 Montauk Highway
Water Mill - 11976
(631) 726-6310

Point Lookout US Post Office

110 Lido Blvd
Point Lookout - 11569
(516) 431-7590

Port Jefferson US Post Office

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

Rocky Point US Post Office

346 Route 25a # 84
Rocky Point - 11778
(631) 744-0635

Old Westbury US Post Office

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

Yaphank US Post Office

5 E Main St
Yaphank - 11980
(631) 345-6829

Cherry Grove US Post Office

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