Commercial Fixed Wing
Air Traffic Control Fully Certified
Air Traffic Control Time Certified In Pos 1 (yrs) 4.0
Time Pressure; Workload; Situational Awareness; Physiological - Other; Fatigue; Communication Breakdown
ATC Issue All Types; Airspace Violation All Types; Deviation / Discrepancy - Procedural Published Material / Policy
General None Reported / Taken
Staffing; Company Policy; Human Factors
I spent nearly 2 hours on position. I went on a lunch break. I was paged back 19 minutes in. I plugged into position 20 minutes after my last break started. The Controller I was getting out was nearly past 2 hours on position. It is a pattern; an ordinary practice to spend more than 2 hours on position. Sector was above capacity (red) which is also a normal and daily occurrence and nothing is done to mitigate these situations. Other sectors in the room were also red. Going over 2 hours on position has also become a regular occurrence.I had pointed out Air Carrier X to one sector and handed both of them off to another sector. A typo had them handing off to the wrong sector instead. My mistake wasn't caught until the aircraft were inside their airspace. Controllers in my area (and I imagine other areas as well) are routinely forced to work too much traffic without adequate help in the form of splitting sectors; Assist sides; Trackers; or TMU support. While this behavior has become ordinary everyday conditions it is completely unsustainable and completely unacceptable from a safety standpoint.Sectors need adequate support for the volume and complexity of traffic they are dealing with. Controllers need appropriate breaks throughout their shift to allow recuperation before working more heavy traffic. Working a busy workload takes a huge mental toll on controllers which is not being addressed.
ZLC Center Controller reported handing aircraft off to the wrong sector during high volume traffic.  Reporter stated staffing issues and fatigue contributed to the incident.