Gilmore, Shellenberger & Maxwell, P.A.  500 North Kansas Avenue Liberal, KS 67901 Phone: 620-624-5599 Fax: 620-624-5525 Email: lawyers@gsmpa.com In Oklahoma, call 580-338-5599 HOURS OF OPERATION Our regular office hours are Monday through Friday from 8:00 a.m. to Noon, and from 1:00 p.m. to 5:00 p.m. Our attorneys are available for evening and weekend appointments with advance scheduling.