Versions of CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart DD - Prepaid Calling Card Providers on LawServer 2024 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart DD – Prepaid Calling Card Providers 2023 CFR > Title 47 > CHAPTER I > SUBCHAPTER B > PART 64 > Subpart DD – Prepaid Calling Card Providers 2022 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart DD – Prepaid Calling Card Providers 2021 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart DD – Prepaid Calling Card Providers 2020 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart DD – Prepaid Calling Card Providers 2019 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart DD – Prepaid Calling Card Providers 2016 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart DD – Prepaid Calling Card Providers 2015 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart DD – Prepaid Calling Card Providers 2014 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart DD – Prepaid Calling Card Providers
