Levittown US Post Office

180 Gardiners Avenue
Levittown, NY 11756
Phone: (516) 735-7343
Fax: (516) 735-7319
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Water Mill US Post Office

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

Aquebogue US Post Office

212 Linda Avenue
Aquebogue - 11931
(631) 722-4368

Bridgehampton US Post Office

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

Roslyn Heights US Post Office

66 Mineola Avenue
Roslyn Heights - 11577
(516) 621-8050

Islip Terrace US Post Office

136 Carleton Avenue
Islip Terrace - 11752
(631) 581-7894

Shelter Island Heights US Post Office

6 Grand Avenue
Shelter Island Heights - 11965
(631) 749-0486

Massapequa US Post Office

80 Atlantic Avenue
Oceanside - 11572
(516) 766-5829

Mastic US Post Office

1450 Montauk Highway
Mastic - 11950
(631) 281-0275

Remsenburg US Post Office

137 S Country Road
Remsenburg - 11960
(631) 325-5937

Central Islip US Post Office

110 E Suffolk Avenue
Central Islip - 11722
(631) 234-0547