"Pick up your phone and call the professionals ... Narrator: An FCC contractor called the NANPA, or North American Numbering Plan Administration, is tasked with assigning numbers for use.

The reason behind the newly added area code is simple: To ensure new telephone numbers are available, according to the Tennessee Public Utility Commission. The plans for 729 to join the 423 ...

The North American Numbering Plan Administrator is an integrated telephone numbering plan that serves the United States, Canada and nearly 20 other North American countries. NANPA governs the ...

Under the new plan, all landline-to-landline calls will require users to dial ‘0’ followed by the STD code and subscriber number. The change marks a transition from the current Short Distance Charging ...