1. A method for providing a network endpoint of an enterprise customer network access to a dialing plan, comprising: receiving a dialing plan request from the network endpoint; retrieving an address mapping in response to the dialing plan request, wherein the address mapping maps the dialing plan request to a dialing plan found in one of a plurality of service plans offered by a service provider, wherein the enterprise customer is a customer of the service provider and subscribed to a service plan of the plurality of service plans, wherein the dialing plan is a reduced number dialing plan that allows the enterprise customer to dial fewer than all digits of a telephone number, wherein the enterprise customer is not a subscriber to the dialing plan; and responding to the dialing plan request using the address mapping, wherein the responding to the dialing plan request comprises completing a call attempt using the dialing plan.