National Regulatory
Local National (US) International Organizations Directory Svcs Support Services
In the United States, each state's regulatory authority has input as to what is classified as a local calling are, pricing, dialing patterns and allocation of numbering resources.
FCC (US) FCC FAQs on NPAs FCC Consumer Info NANC NANPA NeuStar NeuStar: Number Pooling NPAC NTIA SNAC TRA TCNPA
Federal influence on numbering resources is limited to assignment of area codes and administration of number pooling.
AC-I Gear AC-I Phone Mall Chicago Old Telephone Co. Code Music