Rockville US Post Office

250 Merrick Road
Rockville Centre, NY 11570
Phone: (516) 766-5749
Fax: (516) 766-5845
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Eastport US Post Office

24 Eastport Manor Road
Eastport - 11941
(631) 325-1798

Holbrook US Post Office

445 Furrows Road
Holbrook - 11741
(631) 588-0226

Jamesport US Post Office

1451 Route 25
Jamesport - 11947
(631) 722-5946

Kings Point US Post Office

300 Steamboat Road
Kings Point - 11024
(516) 773-5298

Stony Brook US Post Office

129 Main St
Stony Brook - 11790
(631) 751-5691

Middle Island US Post Office

780 Middle Country Road
Middle Island - 11953
(631) 205-1089

North Babylon US Post Office

1196 Deer Park Avenue
North Babylon - 11703
(631) 667-4693

Jamesport US Post Office

70 2nd St
South Jamesport - 11970
(631) 722-4317

Smithtown US Post Office

25 Route 111
Smithtown - 11787
(631) 360-6709

Nesconset US Post Office

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