PART 52—NUMBERING
Contents
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A
Subpart A—Scope and Authority Sections 52.1–52.5 -
Appendix to Part 52
Appendix to Part 52—Deployment Schedule for Long-Term Database Methods for Local Number Portability -
B
Subpart B—Administration Sections 52.7–52.19 -
C
Subpart C—Number Portability Sections 52.20–52.99 -
D
Subpart D—Toll Free Numbers Sections 52.101–52.111 -
E
Subpart E—Universal Dialing Code for National Suicide Prevention and Mental Health Crisis Hotline System Sections 52.200–52.203