Sayville US Post Office

130 Greene Avenue
Sayville, NY 11782
Phone: (631) 589-6963
Fax: (516) 766-5845
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Plainview US Post Office

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

Peconic US Post Office

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

Bayville US Post Office

251 Bayville Avenue
Bayville - 11709
(516) 628-9235

Bridgehampton US Post Office

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

Syosset US Post Office

40 Queens St
Syosset - 11791
(516) 921-0746

Westhampton Beach US Post Office

170 Main St
Westhampton Beach - 11978
(631) 288-4093

Rocky Point US Post Office

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

Freeport US Post Office

132 W Merrick Road
Freeport - 11520
(516) 378-6512

Wantagh US Post Office

3300 Park Avenue
Wantagh - 11793
(516) 785-3425

Mastic Beach US Post Office

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