They sell old phones, mods to same so they can be used with modern equipment, and replacement parts.
Handset receiver elements: https://www.oldphoneworks.com/receiver-elements/
Payphones: https://www.oldphoneworks.com/pay-phones/
Generate random phone numbers for all countries using the mobile phone generator. These numbers are fake, but they are built using the validations of telephone numbers.
The homepage of the Mojave Phone Booth (RIP).
Homepage of the PLA. Fun stuff, here!
A website dedicated to helping people navigate mazes of IVR systems to talk to a human operator.
An archive of recordings from the early days of phone phreaking- stuff like conversations recorded off of bridges, tone sequences, war stories, stuff like that.
An archive of recorded messages and error tones from United States telephony networks. Available for online listening or free download.
FrequencyCheck is a website that helps you determine if your current cellphone will work on the cellular networks of a particular country. You can either search for devices compatible with a particular carrier, or carriers compatible with a certain mobile device.
Super cheap burner phones. Aimed at kids. mp3 bluetooth Super thin.