Long Beach US Post Office

101 E Park Avenue
Long Beach, NY 11561
Phone: (516) 432-5484
Fax: (631) 226-5599
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Mattituck US Post Office

140 Love Ln
Mattituck - 11952
(631) 298-1364

Seaford US Post Office

3575 Merrick Road
Seaford - 11783
(516) 785-3851

Locust US Post Office

115 Forest Avenue
Locust Valley - 11560
(516) 671-1559

East Meadow US Post Office

446 E Meadow Avenue
East Meadow - 11554
(516) 794-4509

Ronkonkoma US Post Office

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

Atlantic Beach US Post Office

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

Shoreham US Post Office

69 Route 25a
Shoreham - 11786
(631) 744-3185

Islip US Post Office

309 Main St # 3
Islip - 11751
(631) 581-7931

Islip Terrace US Post Office

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

Miller Placeace US Post Office

47 Echo Avenue
Miller Placeace - 11764
(631) 473-8134