Kohl's plans to close its Dallas customer service center that employs 300 people, consolidating those jobs into similar operations in San Antonio and Milwaukee.

The Wisconsin-based retailer also will offer a voluntary retirement program companywide to workers 55 and older with at least 15 years of experience. The post-holiday moves were disclosed after the company reported November-December sales increases of 1.2 percent, which disappointed investors hoping for more robust growth.

The Dallas customer service center at 17655 Waterview Parkway will close in March, said Jen Johnson, Kohl's senior vice president. The Milwaukee center will gain 100 jobs from the consolidation, while San Antonio will expand by 300 workers.

"We took these decisions very seriously, knowing that what's best for the business also impacted associates," she said.

All employees have been offered severance, opportunities to work at Kohl's stores and other benefits including outplacement services.

At one time, Kohl's had pledged to hire at least 1,000 people to receive economic development incentives.

The City of Dallas said it would give Kohl's a grant of up to $500,000 if all 1,000 jobs were created by April 2018. Kohl's leased the 230,000 square feet of office space in Dallas in 2014.

Kohl's didn't receive the money, said Kevin Spath, assistant director of Dallas' office of economic development.

The department store chain of 1,158 stores plans to open four smaller locations this year, but is closing four unprofitable stores. They are in:

Houma, Louisiana

Lenexa Kansas

Rego Pak and Valley Stream, New York.

Kohl's said it didn't have cost estimates yet for its retirement program or store closings, but it expects to take one-time charges to earnings when it reports year-end financial results in March. It also didn't say how many employees it wants to accept its voluntary retirement offer.

Kohl's has 137,000 employees, about 33,000 are full-time and the rest are part-time workers.

Twitter: @MariaHalkias