Tbaytel Customer Service Phone Numbers Customer service: 807-623-4400  or 1-800-264-9501 Technical Support: 807-623-4400 or 1-800-264-9501 Business Sales: 807-623-4400 or 1-800-264-9501 Tbaytel Security : 807-345-2739 or 1-800-893-2739 ON1Call: 1-800-400-2255 Building Industry Consultant: 807-623-4400 Tbaytel Corporate Security: 807-625-2199   Tbaytel Headquarters Info, Email, Phone number, Website and live chat Information Founded: 1902; 116 years ago in Thunder Bay,