World Telephone Numbering Guide

How to use WTNG : describes how WTNG works, and what you will find in the pages.
By Country Name : look up telephone numbering info by country or service
By Country Code : look up telephone numbering info by telephone country code
Calendar : international telephone numbering changes and events by date
Glossary : definitions for telephone numbering words and phrases
History : history of international country codes
Regional Services : telephone numbering in regions (multi-nation)
Special Services : details on satellite, freephone, special networks
What's New : what has changed in WTNG, by update dates
Links and Other Resources : various relevant website links
Who we are?  : why we recreate this old gone website?