East Norwich US Post Office

1001 Oyster Bay Road
East Norwich, NY 11732
Phone: (516) 922-8283
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Mattituck US Post Office

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

East Meadow US Post Office

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

Jamesport US Post Office

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

Upton US Post Office

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

Bayport US Post Office

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

Mt. Sinai US Post Office

457 Route 25a
Mt Sinai - 11766
(631) 928-0394

Cedarhurst US Post Office

124 Grove Avenue
Cedarhurst - 11516
(516) 295-1452

Great Neck US Post Office

661 Middle Neck Road
Great Neck - 11023
(516) 829-6315

Wading River US Post Office

1816 Wading River Manor Road
Wading River - 11792
(631) 929-0219

Port Jefferson US Post Office

407 E Main St # 17
Port Jefferson - 11777
(631) 473-1065