USPS Location
- Central Islip
110 E Suffolk Ave, Central Islip, NY 11722
631-234-0547
Bulk Mail Acceptance, Bulk Mail Account Balance, Bulk Mail New Permit, Burial Flags, Business Reply Mail Account Balance, Business Reply Mail New Permit, Duck Stamps, Global Express Guaranteed, Money Orders (Domestic), Money Orders (Inquiry), Money Orders (International), PO Box Online, Packaged Stamps, Passport Acceptance, Passport Photo, Pickup Accountable Mail, Pickup Hold Mail, Priority Mail International, Sure Money