EMB ERJ 145 ER/LR
Flight Crew Multiengine; Flight Crew Instrument; Flight Crew Air Transport Pilot (ATP)
Situational Awareness; Workload; Communication Breakdown
ATC Issue All Types; Conflict NMAC; Deviation - Altitude Excursion From Assigned Altitude; Deviation / Discrepancy - Procedural Clearance; Deviation / Discrepancy - Procedural Published Material / Policy
Air Traffic Control Separated Traffic; Flight Crew Took Evasive Action; Flight Crew Became Reoriented
Human Factors; Procedure; Software and Automation
On departure out of ZZZ; we were in level flight at 10;000 feet waiting for ZZZ1 Center to continue or climb. We received an RA and the aircraft got within 200 feet. We then received a second RA and came within 1400 feet of another aircraft. We advised ATC and continued to ZZZ2.ZZZ1 Center kept getting us confused with another aircraft with a similar call sign. We notified them twice that we were not the other aircraft. The Controller was incredibly task saturated and noticeably in over their head.
EMB-145 First Officer reported that ATC miscommunication due to similar call signs with a nearby aircraft led to a traffic advisory and two separate resolution advisories.