A Tucson call center is laying off 785 employees here, with Concentrix Corp. poised to shutter the West Side facility formerly owned by Convergys.

The California-based company, which took over the Tucson center in October with a purchase of Convergys, filed a mandatory layoff notice on Friday.

The federal WARN Act (Worker Adjustment and Retraining Notification Act) requires companies planning mass layoffs to give workers at least 60 days’ notice.

While company officials didn’t respond to requests for comment, the size of the layoff seems to indicate that the entire center, 3760 N. Commerce Drive, near Interstate 10 and West Prince Road, is being closed. Convergys reported about 950 workers at the call center three years ago.

Convergys at one point employed about 1,500 in Tucson. Purchased last year in a $2.4 billion deal by Concentrix, a subsidiary of Synnex Corp., the takeover target has seen hundreds of other jobs cut around the country.

Although the WARN Act notice was filed with state officials on Friday, the Arizona Department of Economic Security has recently lagged about one business day in making layoff filings public online. The notice that about 60 jobs would be eliminated in the pressroom and packaging plant of the Arizona Daily Star wasn’t made available until the day after it was filed last month.

Concentrix announced plans to expand its Tempe office in 2017, projecting an increase of 1,500 jobs there.

The company has announced a slew of layoffs around the country this year, including 232 in Watertown, N.Y., in January and February; 173 in Charlotte, N.C., in February; and 318 in Greenville, N.C., in March.