Coffee ShopBrooklyn, NY

OS Cafe

Closed · opens 7:30 AM

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Illustrative photo

Opening hours

Closed · opens 7:30 AM

Weekly opening hours of OS Cafe
Monday	7:30 AM – 6:00 PM
Tuesday	7:30 AM – 6:00 PM
Wednesday	7:30 AM – 6:00 PM
Thursday	7:30 AM – 6:00 PM
Friday	7:30 AM – 6:00 PM
Saturday	8:00 AM – 6:00 PM
Sunday	8:00 AM – 6:00 PM

Local time in Brooklyn: 5:49 AM (EDT). Holiday hours may differ – call (347) 213-4365 to confirm.

Location & directions

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535 6th Avenue
Brooklyn, NY 11215

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About OS Cafe

OS Cafe is a coffee shop you'll find at 535 6th Avenue in Brooklyn, New York. It is one of 3,238 places to eat and drink we list in Brooklyn.

OS Cafe is open 7 days a week, usually 7:30 AM – 6:00 PM. Early risers are covered too: doors open at 7:30 AM most days.

Offerings include vegetarian options.

Phone: (347) 213-4365.

Quick facts

Category: Coffee Shop · Breakfast, Sandwich
Address: 535 6th Avenue, Brooklyn, NY 11215
Phone: (347) 213-4365
Hours: Open 7 days a week, usually 7:30 AM – 6:00 PM
Listing updated: September 2026 · Suggest an edit

Popular times (estimated)

6AM

9AM

12PM

3PM

6PM

9PM

Estimated from typical visit patterns for coffee shops and this venue’s opening hours – not live data.

Features & amenities

Offerings

Vegetarian options

Amenities

Wi-Fi

Reviews

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Frequently asked questions

What are OS Cafe's opening hours?

Open 7 days a week, usually 7:30 AM – 6:00 PM. Monday: 7:30 AM – 6:00 PM; Tuesday: 7:30 AM – 6:00 PM; Wednesday: 7:30 AM – 6:00 PM; Thursday: 7:30 AM – 6:00 PM; Friday: 7:30 AM – 6:00 PM; Saturday: 8:00 AM – 6:00 PM; Sunday: 8:00 AM – 6:00 PM.

Is OS Cafe open on Sunday?

Yes, OS Cafe is open on Sundays: 8:00 AM – 6:00 PM.

Where is OS Cafe located?

OS Cafe is located at 535 6th Avenue, Brooklyn, NY 11215.

What is the phone number of OS Cafe?

You can call OS Cafe at (347) 213-4365.