16. What is a CNA number? CNA stands for Customer Name and Address. The CNA number is a phone number for telephone company personnel to call and get the name and address for a phone number. If a telephone lineman finds a phone line he does not recognize, he can use the ANI number to find its phone number and then call the CNA operator to see who owns it and where they live. Normal CNA numbers are available only to telephone company personnel. Private citizens may legally get CNA information from private companies. Two such companies are: Unidirectory (900)933-3330 Telename (900)884-1212 Note that these are 900 numbers, and will cost you approximately one dollar per minute. If you are in 312 or 708, AmeriTech has a pay-for-play CNA service available to the general public. The number is 796-9600. The cost is $.35/call and can look up two numbers per call. If you are in 415, Pacific Bell offers a public access CNA service at (415)781-5271. 17. What is the telephone company CNA number for my area? 203 (203)771-8080 CT 513 (513)397-9110 Cincinnati/Dayton, OH 516 (516)321-5700 Hempstead/Long Island, NY N 518 (518)471-8111 Albany/Schenectady/Troy, NY 614 (614)464-0123 Columbus/Steubenville, OH 813 (813)270-8711 Ft. Meyers/St. Petersburg/Tampa, FL