- 2600uk.com - UK site focused on hacking and phreaking. Contains news, tutorials and details of UK 2600 meetings.
- Art of Hacking - Fixer's Box review which reviews the usefulness of the various phreaking boxes, original files, Beating Caller ID FAQ and The Vancouver Island Payphone Mapping Project.
- Cell Phone Hacks - Mobile phone hacking and phreaking discussion forum covering hacks, tricks, and service mods.
- DarkFall - Documents British Telecom UK phone system, including boxing plans and payphone information.
- DMS - PhreakZone - Features archives of Wired articles and UK phreaking resources.
- Dutch Scanner Web - Informatie over scanners, frequenties, GSM, wetgeving, afkortingen, artikelen, een forum, en meer.
- Exploiting the UK Phone System - Describes UK wiring and offers beige box schematic and description of use in PCP boxes.
- Hack Canada - The source for Canadian hacking and phreaking. Text files, links.
- History of Cap'n Crunch - Home page of John T. Draper, one of the original phone phreakers.
- John Draper/Capt Crunch Interviewed 1995 - John Draper introduces his exploits and the motivation behind his work in this 1995 interview whilst he was traveling through Australia.
- Maphrik's Wall of Voodoo - Concentrates on war dialing, and covers PBX and voicemail hacking as well as general computer security advisories.
- Nettwerked - Based in the 780 area code, contains K-1ine zine, information on the FLEX paging protocol, Elcotel payphones, various original text files and as well as an archive.
- Old Skool Phreak - A website and weekly radio show dedicated to hacking and phreaking.
- Payphone Directory - Thousands of pay phone numbers in the United States, Canada, and other countries. FAQ, About the different kinds of payphones, pictures, recordings, news, discussion board and links.
- Phone Trips - Recordings from the 70's of some phone phreaks adventures.
- phreak.be - European phreaking portal with links to phreaking information for the different european countries.
- phreak.ch - Swiss phreaking site. Text files, chat and forum.
- StromCarlson.Com - Telephone recordings, coin-operated telephone pictures and numbers, coin phone instruction cards, interesting telephone numbers and central offices in Las Vegas.
- Telephone Prefix Locatior - Look up the location of a central office by prefix.
- This Is a Recording - Hundreds of telephone sounds and recordings including error recordings, signalling, colored box tones, and devices.
