World Telephone Numbering Guide

The World Telephone Numbering Guide: "provides information on the world's telephone numbering formats."

This includes various website links regarding telephone numbering. Area code lists, text articles, news of phone number changes, number-finding forms are included as much as feasible.

There is information under each country, region or service reference containing information such as area code or numbering changes, links to area code lists or numbering news, and subscriber number/area code formats to the extent WTNG can find and include such details.

Please note that details are missing in some cases, due to incomplete availability of phone numbering information. Also, the information is subject to some disclaimers."