Copiague US Post Office

695 Marconi Blvd
Copiague, NY 11726
Phone: (631) 842-9084
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Atlantic Beach US Post Office

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

Mattituck US Post Office

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

Shelter Island US Post Office

45 N Ferry Road
Shelter Island - 11964
(631) 749-1857

Upton US Post Office

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

West Babylon US Post Office

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

Floral Park US Post Office

35 Tulip Avenue
Floral Park - 11001
(516) 616-5184

Hauppauge US Post Office

150 Oser Avenue
Hauppauge - 11788
(631) 231-3155

Mineola US Post Office

160 1st St
Mineola - 11501
(516) 746-1372

Plainview US Post Office

1662 Old Country Road
Plainview - 11803
(516) 845-7162

Islip US Post Office

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