Lake Grove US Post Office

1001 Hawkins Avenue
Lake Grove, NY 11755
Phone: (631) 588-7019
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Mill Neck US Post Office

32 Frost Mill Road
Mill Neck - 11765
(516) 922-8247

West Babylon US Post Office

385 Route 109
West Babylon - 11704
(631) 893-0560

Shirely US Post Office

800 Montauk Highway # 1
Shirley - 11967
(631) 281-0479

Sagaponack US Post Office

542 Sagg Main St
Sagaponack - 11962
(631) 537-9346

East Marion US Post Office

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

Great River US Post Office

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

Coram US Post Office

117 Pauls Path
Coram - 11727
(631) 732-8691

Atlantic Beach US Post Office

2009 Park St
Atlantic Beach - 11509
(516) 239-1178

Holtsville US Post Office

162 Long Island Avenue
Holtsville - 11742
(631) 475-1761

Bay Shore US Post Office

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