GrameenPhone Center Dhanmondi R/A GrameenPhone Customer care center OR as short GPC is the go to place for any issues with GP cellular users. GPC Dhanmondi R/A Address: House # 38/2 Road # 16 (New), 27(old) Dhanmondi R/A, Dhaka Operating Hours: 10am-6pm Holiday: Tuesday Services at a typical GPC: New SIM/Connection SIM Replacement PostPaid Bill Roaming Services Internet Devices | Packages Ownership Transfar MNP | Mobile Number Portability IoT Products like Vehicle Tracking and Security Cameras Mobile Phones Mobile related accessories Modems & Routers