Islip Post Office

Contact Information

309 Main St Unit 3
Islip, NY - 11751

631-581-7931 Click to call There are no comments. Be the first to leave one below. Fax Number: 631-224-1376 Website Facebook Page

About Islip Post Office

Hours of Operation

• Monday 9:00am - 5:00pm
• Tuesday 9:00am - 5:00pm
• Wednesday 9:00am - 5:00pm
• Thursday 9:00am - 5:00pm
• Friday 9:00am - 5:00pm
• Saturday 9:00am - 1:00pm
• Sunday Closed

Last Collection

• Monday 5:00pm
• Tuesday 5:00pm
• Wednesday 5:00pm
• Thursday 5:00pm
• Friday 5:00pm
• Saturday 3:00pm
• Sunday Closed

Services

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

General Delivery

Money Orders (Domestic)

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