Chicago-based company opening three locations in Tucson by July.

Chicago-based Potbelly Sandwich Shop is set to open three Tucson restaurants between May and July.

Company officials said they plan to open their first location on East Broadway and North Craycroft Road in May. Another restaurant is expected to open in June at North Oracle and West Roger roads and the third will open in the University of Arizona area in July.

A company spokesman said she didn't have the exact addresses.

Potbelly Sandwich Shop was born in Chicago in 1977. Today, it has more than 300 locations in 18 states and Washington, D.C.

Read more restaurant news in Thursday's Caliente.