The FCC in conjunction with the National SMS 800 Database have authorized and issued the following official toll free number prefixes:
This toll free prefixes list is current as of 2013. All toll free number prefixes are regulated and function the same way. The numbers on this toll free prefixes list do not have different CC toll free number portability rules. They all work the same way the traditional 800 number prefix works. All toll free number service providers serving as FFC authorized RespOrgs can secure and provide toll free number services using the above toll free prefixes list. You may get toll free numbers with all of the above toll free prefixes from authorized toll free service providers such as UniTel Voice.How It Works >> See Pricing & Signup
Yes, UniTel Voice has a limited number of true 800 number prefixes available for instant signup.