Order FoneNumbers endpoints are used to purchase new FoneNumbers from FracTEL inventory or to add off-net FoneNumbers. User can search for a specific FoneNumber or can get an instant FoneNumber.
You can also download a CSV file consisting the full list of Tier X inventory using this link. This CSV file gets updated everyday at 0:00 GMT. CSV file columns - FoneNumber, LATA, State, Ratecenter.