This is a basic list of the phone related pages I visit / use the most often.
If you would like more phone related resources, note that many of the links featured below also have their own links pages.
Feel free to explore those pages for more resources.
Classic Rotary Phone Forum:
http://www.classicrotaryphones.com/forum/index.php
If you need help with your own phone project, this is the place to search and/or ask!
Telephone Collectors International (TCI):
http://www.telephonecollectors.org/
Antique Telephone Collectors Association (ATCA):
The "Porticus" website:
http://www.beatriceco.com/bti/porticus/bell/bell.htm
Paul F's Phones as Entertainment Website:
http://www.paul-f.com/index.html
Note that Paul's site lists related BSPs next to the phone models, so it is easy to cross reference with the TCI Library link above.
Telephone Exchange Name Project:
The Number Card Archive:
http://www.telephonearchive.com/numbercards/
(Note: Number Cards are also known as Dial Cards)