Telephone World is a hobby website devoted to the mysterious device known as the Telephone. People have used "the phone" for more than 140 years, yet very few of us know what goes on behind the scenes when we make or receive a phone call. This website should help enlighten you on this useful yet mysterious device that is in most every home and business in the industrialized world.
From the "I didn't even know it was still around" department. Apparently T-Mobile in the USA shut down their 2G network on Monday August 3, 2026. Were there any customers on the 2G network? Was this the original 2G that T-Mobile had, or was this something they...
(Admin note: I actually talked to Joybubbles a few times before his passing in 2007.) Famous Phone Phreaker Joybubbles is now in a documentary that is being showcased at several viewings throughout the US. I do not know if or when it will be available for wide...
December 24, 2025 - The inevitable has started. AT&T in Oklahoma (former Southwest Bell) is slowly turning off central offices. The first appears to be a small town called Hitchcock, OK, about an hour NW of Oklahoma City. This is a VERY small town that was served...
December 11, 2025 (Updated March 2026) - I heard from an industry contact that the Lansing, MI 4ESS switch (LNNGMIMN50T) is slated to be powered off tonight. Traffic through the switch has already been rerouted elsewhere. This is considered to be the last 4ESS in the...