Call forwarding a telephone number, including tracking recent locations of a user with the user's mobile personal communications device and a wireless telecommunications network; identifying a locale for the user in dependence upon the recent locations and upon historical location records for the user; and forwarding a telephone number in dependence upon the locale. In many embodiments, identifying a locale further comprises comparing historical location records and recent locations, wherein the historical location records are related to the locale through a locale identification field used as a foreign key.