Locust US Post Office

115 Forest Avenue
Locust Valley, NY 11560
Phone: (516) 671-1559
Fax: (631) 226-5599
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Blue Point US Post Office

141 Montauk Highway
Blue Point - 11715
(631) 363-6272

Central Islip US Post Office

110 E Suffolk Avenue
Central Islip - 11722
(631) 234-0547

East Norwich US Post Office

1001 Oyster Bay Road
East Norwich - 11732
(516) 922-8283

Garden City US Post Office

630 Old Country Road # 530
Garden City - 11530
(516) 746-1394

Hewlett US Post Office

1245 Hewlett Placez
Hewlett - 11557
(516) 374-0973

Hicksville US Post Office

185 W John St
Hicksville - 11801
(516) 933-2300

Mattituck US Post Office

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

Sayville US Post Office

130 Greene Avenue
Sayville - 11782
(631) 589-6963

Shoreham US Post Office

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

Southold US Post Office

710 Traveler St
Southold - 11971
(631) 765-4027