Harmonic Coffee
80 On Nut 70 Alley, Lane 1, Prawet, Bangkok 10250
Data checked on 4 June 2026.
A specialty coffee cafe at 80 On Nut 70 Alley in the Prawet area of Bangkok. It sits in the On Nut 70 Alley and Prawet residential corridor close to BTS On Nut on the Sukhumvit line. Specialty coffee cafe with 39 reviews near BTS On Nut in the Prawet district.
Harmonic Coffee opening hours
- Monday 7:30AM-4PM
- Tuesday 7:30AM-4PM
- Wednesday 7:30AM-4PM
- Thursday 7:30AM-4PM
- Friday 7:30AM-4PM
- Saturday 7:30AM-4PM
- Sunday 7:30AM-4PM
Good to know
- Delivery
- On-site services
- Takeaway
- Dine-in
- Coffee
- Dessert
- Table service
- Great coffee
- Great dessert
- Great tea selection
Contact Harmonic Coffee
- Phone: +66 83 641 5659
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- Big C Extra On Nut · Watthana · 4.1/5
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