When couponing was worthwhile, many people opened multiple accounts in various stores. Most drug stores had a one per person limit. This is probably how your telephone number was used. Most people just made up numbers or used old numbers that they had had at one time.
JadedWolverine2592 t1_iuis3ws wrote
Reply to Someone else using my phone number on drugstore account. by [deleted]
When couponing was worthwhile, many people opened multiple accounts in various stores. Most drug stores had a one per person limit. This is probably how your telephone number was used. Most people just made up numbers or used old numbers that they had had at one time.