Wirehopper is a powerful telecommunications resource site. It has a directory of most major U.S. facilities-based carriers, a geographic search
feature that allows you to search for carriers that serve specific areas. There is a network builder that can be used to create
a network connecting many areas, listing the carriers that connect each area, a carrier/connection matrix, and carrier statistics
that indicate the carriers that serve the most areas in the network. There is also a telecom traffic calculator that includes
Erlang B and C, EngSet, Poisson, and Binomial functions. A forum, glossary, related links, and FAQ page are provided.
This is a free site, any facilities-based carrier can be listed, please contact the webmaster for details.
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