Though many think the price is good, their policy does mean your telephone service is subject to change.
Is this even legal to enforce per FCC?
reserves the right to reclaim any phone number from Customer’s Account if Customer does not send sufficient traffic over that phone number such that the phone number is unutilized or underutilized, as defined by any local, federal, and/or national regulatory agency and/or governmental organization with oversight over the relevant phone number and numbering plan. If seeks to reclaim a phone number from Customer’s Account, excluding suspended, terminated, and trial accounts, will provide at least two weeks’ advance notice via email where possible within commercial reason, except where is prevented from doing so by the applicable regulatory agency or governmental organization. also reserves the right to reclaim phone numbers from accounts suspended for failure to pay and/or suspended for suspected fraud. Customer may not transfer or assign the telephone numbers provides to Customer unless otherwise mutually agreed by the Parties in writing.
