21 Grand Arcade Cambridge CB2 3BJBrand: Three Three Cambridge Grand Arcade | Phones, SIMs & Broadband DealsVisit your local Three store at 16 Grand Arcade in Cambridge for the best Mobile Phone, SIM and Mobile Broadband Deals.Store Hours: Day of the Week Hours Monday 9:00 AM - 6:00 PM Tuesday 9:00 AM - 6:00 PM Wednesday 9:00 AM - 8:00 PM Thursday 9:00 AM - 6:00 PM Friday 9:00 AM - 6:00 PM Saturday 9:00 AM - 6:00 PM Sunday 10:00 AM - 5:00 PM Bank holiday hours may vary. https://locator.three.co.uk/midlands/cambridge/16-grand-arcade