Sag Harbor US Post Office

21 Long Island Avenue
Sag Harbor, NY 11963
Phone: (631) 725-8968
Fax: (516) 766-5845
Visit Website

Community Offices / Post Offices

Post Offices

Calverton US Post Office

3690 Middle Country Road
Calverton - 11933
(631) 727-0067
Post Offices

Copiague US Post Office

695 Marconi Blvd
Copiague - 11726
(631) 842-9084
Post Offices

Hauppauge US Post Office

960 Wheeler Road
Hauppauge - 11788
(631) 360-6712
Post Offices

Malverne US Post Office

339 Hempstead Avenue
Malverne - 11565
(516) 599-7583
Post Offices

Mattituck US Post Office

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

North Baldwin US Post Office

1620 Grand Avenue
North Baldwin - 11510
(516) 223-5710
Post Offices

North Bellmore US Post Office

2465 Jerusalem Avenue
North Bellmore - 11710
(516) 785-0676
Post Offices

Jamesport US Post Office

70 2nd St
South Jamesport - 11970
(631) 722-4317
Post Offices

St. James US Post Office

325 Lake Avenue
St James - 11780
(631) 584-4138
Post Offices

West Babylon US Post Office

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