Lake Grove US Post Office

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

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

Atlantic Beach US Post Office

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

Fishers Island US Post Office

1 Oriental Avenue
Fishers Island - 06390
(631) 788-7835

Fair Harbor US Post Office

100 Bay Walk
Fair Harbor - 11706
(631) 583-7080

Nesconset US Post Office

226 Smithtown Blvd
Nesconset - 11767
(631) 265-3278

Malverne US Post Office

339 Hempstead Avenue
Malverne - 11565
(516) 599-7583

Old Bethpage US Post Office

696 Old Bethpage Road
Old Bethpage - 11804
(516) 249-2915

Bayport US Post Office

850 Montauk Highway
Bayport - 11705
(631) 472-7396

Mill Neck US Post Office

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

Brentwood US Post Office

25 2nd Avenue
Brentwood - 11717
(631) 273-0947