A method that incorporates teachings of the subject disclosure may include, for example, transmitting a first request for a name authority pointer to a first in-region name server of a plurality of in-region name servers of a first geographic region responsive to determining that a telephone number of a call is located in the first geographic region, transmitting a second request for the name authority pointer to an out-of-region name server associated with a second geographic region responsive to determining that the telephone number is located in the second geographic region, and receiving the name authority pointer from at least one of the in-region name server or the out-of-region server. Other embodiments are disclosed.