Using location based services for determining a calling window

Telemarketing calls may originate from a call center based on processing a telephone number record which includes a telephone number. The telephone number record may also include other information pertaining to the telephone number, including whether it is a wireline or wireless number. Further information may indicate whether the solicitation call is being originated on behalf of a wireless carrier serving the wireless subscriber associated with the telephone number. The call center may use location information associated with the wireless number to ascertain a location of the wireless subscriber and to then ascertain a time zone of the wireless subscriber, so as to originate the telemarketing call within the appropriate regulatory calling time window. A dialer may originate calls for an agent using a list of wireline numbers and then using a list of wireless numbers.