how to apply for social security disability in oklahoma?
['Online: You can apply online at ssa.gov.', "Telephone: You can apply over the telephone by calling the SSA's toll-free customer service line at 1-800-772-1213 (TTY 1-800-325-0778)", 'In-person: You can apply in-person at your local Social Security field office. Find your local office here.']