TopReference.com offer reference website links to browse for education, libraries, dictionaries, colleges, universities, k-12, language schools, book and magazines.

Toll Free

Toll free listings of businesses by company, number, location and product or service.
http://www.inter800.com/
PageRank: Not available
Offers toll free telephone numbers for United States and Canadian businesses with web site links and email addresses.
http://www.internettollfree.com/
PageRank: Not available
displays all the words a phone number spells using dictionary lookup and finds non-dictionary words using pronounceable mnemonics.
http://www.phonespeller.net/
PageRank: 5/10