 All seven digits were available to construct vanity numbers or phonewords.As toll-free telephone numbers, vanity 800 numbers support flexible call tracking which allows businesses to determine where their incoming call traffic is coming from, build a database of leads, access demographic information on callers, allocate personnel based on calling patterns, analyze ad campaign results and export data to other programs.The reports help to fine-tune advertising plans and media budgets by providing detailed information on specific media buys (such as radio, television or outdoor media).