See also:

• Business: Telecommunications: Resources: Phone Rate Comparisons  (13)
• Business: Telecommunications: Services: Direct Dial Long Distance  (6)
• Home: Consumer Information: Electronics: Communications: Phones  (8)

• FCC Electronic Tariff Filing System   - Direct access to the Federal Communications Commission wireline competition bureau pricing policy filings.

• CCMI - Subscription based provider of telecom rate and tariff documents. Owned by United Communications Group.
• CRTC - Direct access to Canadian Radio-television and Telecommunications Commission telecom tariff filings.
• International DataBases - Call accounting databases with international rating software.
• Magenta Systems - Subscription based provider of United Kingdom telecom tariffs.
• Tarifica - Subscription based provider of worldwide telecom tariffs based in London, United Kingdom. A division of PBI Media.
• Tele-Tech Services Inc. - Provides telecommunications rate and routing information and customized databases for telecom providers.
• Teligen - Subscription based provider of worldwide telecom tariff data located in the United Kingdom. A division of HI Europe.
• Valucom - Subscription based provider of telecom tariffs, pricing tools, and tariff-extracted rate data.