47 CFR 52.111 : Telecommunication (§ 0.1 To Parts 401-499) — (Parts 40-41 To § 69.731) — Federal Communications Commission (Continued) (Parts 40-41 To § 69.731) — Common Carrier Services (Continued) (Parts 40-41 To § 69.731) — Numbering (§ 52.1 To Appendix To Part 52) — Toll Free Numbers (§ 52.101 To Appendix To Part 52) — Toll free number assignment.