Search The Directory The Web for Home > Business > Industries > Telecommunications > Information Providers > Numbering New! Submit a site   whatUseek Collection Sites (submit a site ):   Give your site great placement in this category in as little as two business days!     whatUseek Directory Site Listings:   800 Service Management System - Information about the central database for US toll free number management.   Active Numbers Online - OFTEL UK numbering allocations, North American area codes and country codes, with associated tariff information.   Area Code Information - Detailed information on the history and current developments in North American NPA allocations.   International Dialing Codes - List of all countries and international dialing codes.   NUMSpell.com - A reverse lookup for business telephone numbers and personal toll free numbers. A database that converts numbers into words.   Number Portability - Collates information on the regional initiatives in place to develop number portability and number pooling in the US.   NumberPooling.org - Number pooling resource center that aggregates number pooling information from a variety of sources, including an events calendar, roles of various groups, related FCC rulings, acronyms, a glossary, information by state, region or nation.   Telecom Tools Online - Online calculators which provide detailed technical information on US number allocations and routing.   The Telephone Exchange Name Project - The historical relationship between North American telephone exchange names and numbers.   TollFreeAppraisals.com - 800 number and vanity number appraisal.   World Telephone Numbering Guide - Detailed information and news on public numbering plans from around the world. Help build the largest human-edited directory on the web.   Submit a Site - Open Directory Project - Become an Editor

About   Help   Content Filter   Terms   Privacy Policy © 2018 whatUseek