Mount Sinai Post Office

Contact Information

457 Route 25a
Mount Sinai, NY - 11766

631-928-0394 Click to call There is 1 comment. Scroll down to see the details. Fax Number: 631-476-3512 Website Facebook Page

About Mount Sinai 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 1:00pm
• 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)

There are reviews

Anonymous - Jan 20, 2021

should be no stars, but wasnt an option the telephone tracking system is horrendous, you go in circles with no live agent packages take excessive time from this location its already over 2 weeks (pkg receipt says be there in 3-4days) sent same exact pkg from Coram post office and it arrived with no issues, this one from Mt Sinai post office is lost in limbo aka "on way to next facility" for the past 2 wks and no one has any answers

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