Seaford US Post Office

3575 Merrick Road
Seaford, NY 11783
Phone: (516) 785-3851
Fax: (516) 766-5845
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Ronkonkoma US Post Office

200 Hawkins Avenue
Ronkonkoma - 11779
(631) 588-0301

Patchogue US Post Office

170 E Main St
Patchogue - 11772
(631) 475-8623

Farmingville US Post Office

500 Horseblock Road
Farmingville - 11738
(631) 732-8625

Bohemia US Post Office

200 Orville Dr
Bohemia - 11716
(631) 589-2487

Elmont US Post Office

778 Elmont Road
Elmont - 11003
(516) 285-4078

Greenvale US Post Office

37 Northern Blvd
Greenvale - 11548
(516) 621-7163

Mastic US Post Office

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

Upton US Post Office

2 Center St
Upton - 11973
(631) 344-2539

Yaphank US Post Office

5 E Main St
Yaphank - 11980
(631) 345-6829

Hampton US Post Office

16 Ponquogue Avenue
Hampton Bays - 11946
(631) 728-6994