Callahan has some connections with business: Bob Callahan Realtors, Llc. Phone number listed for Callahan is (423) 878-9731. 805 Alabama St, Bristol, Tn 37620 is where Callahan resides. 1970 is the birth year of Callahan. Callahan has previously lived in Bristol and Johnson City. This year Callahan celebrated his 55 birthday. Callahan is related to or closely associated with Julia W Callahan, Bob C Callahan, Charles P Callahan and 4 other people.