wmoxam/phone — pull request #2 by feldpost (2012-04-14 19:46:44+00:00)
Title: Support for non-geographic area codes 

456: International inbound
500: Follow me numbers
533: Personal Communications Services
544	Personal Communications Services
566	Personal Communications Services
700	Carrier-specific services (generally not toll-free)
710	U.S. Federal Government (authorized users only)