1. A method comprising: determining, by a processor of a physical telephone number mapping service server, whether to forward a request for communication services associated with a specific number range to a virtual telephone number mapping service server; responsive to determining to forward the request, determining, by the processor, whether a virtual telephone number mapping service instance has been provisioned to handle requests associated with the specific number range; and responsive to determining that the virtual telephone number mapping service instance has been provisioned to handle requests associated with the specific number range, forwarding, by the processor, the request to the virtual telephone number mapping service instance.