Big telecom companies dominate local market

Six companies have most of local, long distance business

Who are the big players in providing local and long-distance calling service in Northern Colorado? Not surprisingly, they’re primarily the names with which you are already most familiar.

AT&T, MCIWorldCom and Sprint are the top long-distance service providers, thanks to their worldwide networks and multi-million-dollar marketing campaigns. All three of the telecommunications giants have statewide service areas. But exactly how many customers each of the companies have in Colorado is a trade secret.

“We don’t give that out,´ said an AT&T spokeswoman. “That’s considered proprietary information ”

AT&T is the granddaddy of all telephone…