A Regional Bell Operating Company (RBOC) was a corporate entity created as result of the antitrust lawsuit by the U.S. Department of Justice against the...

corporation and the regional operating corporations to co-brand themselves under a single Bell System trademark. For each regional operating company, its name was...

Corporation is a Regional Bell Operating Company owned by Lumen Technologies. It was originally named Mountain States Telephone and Telegraph Company, later becoming...

Southern Bell Telephone and Telegraph Company is the regional Bell Operating Company serving the Southeastern United States of Georgia, Florida, North...

United States telephone companies. The Regional Bell Operating Companies (RBOCs) are the result of the break-up of the Bell System in 1984. After numerous...

holding company based in Atlanta, Georgia. BellSouth was one of the seven original Regional Bell Operating Companies after the U.S. Department of Justice forced...

The company was formed in 1984 as Bell Atlantic as a result of the breakup of the Bell System into seven companies, each a Regional Bell Operating Company...

long-distance service, while the now-independent Regional Bell Operating Companies (RBOCs), nicknamed the "Baby Bells", would provide local service, and would...

development of U.S. telecom standards) Regional Bell Operating Company (in the U.S.) Service provider Companies portal Telephones portal Notes Abbreviated...

8, 1984, the company became a subsidiary of Ameritech, the Regional Bell operating company that served the midwestern United States. Ameritech was subsequently...

circuit and where the incumbent local exchange carrier or Regional Bell Operating Company receives it. Their primary purpose is to protect central office...

The Pacific Bell Telephone Company (Pac Bell) is a telephone company that provides telephone service in California. The company is owned by AT&T through...

Southwestern Bell Telephone Company, LLC is a wholly owned subsidiary of AT&T. It does business as other d.b.a. names in its operating region, which includes...

newly formed Regional Bell Operating Company US West. Pacific Northwest Bell became dormant when US West consolidated its three main operating subsidiaries...

telecommunications company that arose out of the 1984 AT&T divestiture. Ameritech was one of the seven Regional Bell Operating Companies created following...

"Baby Bells" or created since that time for wireline regulation. Generally, a LATA represents an area within which a divested Regional Bell Operating Company...

Bell") local operating subsidiaries which were grouped into seven Regional Bell Operating Companies (RBOCs), commonly referred to as "Baby Bells", resulting...

system of companies that held a monopoly on phone service in the US for most of the 20th century Regional Bell Operating Company, known as Baby Bells, the...

purchased by one of the Regional Bell Operating Companies, the former Southwestern Bell Company, in 2005, and the combined company became known as AT&T Inc...

Communications and BellSouth to become The New AT&T. The Bell System, a name and trademark formerly used by AT&T. The Regional Bell Operating Companies, which were...

Independent Television, a Nigerian broadcaster Ameritech, a former Regional Bell Operating Company that had NYSE ticker symbol AIT Applied Industrial Technologies...

Bell Canada operated as the Canadian subsidiary of the Bell System from 1880 to 1975. However, unlike the other regional Bell operating companies, Bell...

The Ohio Bell Telephone Company, now doing business as AT&T Ohio, is the Bell Operating Company serving most of Ohio and parts of West Virginia. It is...

Jersey Bell off into a Regional Bell Operating Company, along with the 21 other BOCs AT&T had a majority stake in. On January 1, 1984, New Jersey Bell became...

for a vendor to design equipment compatible with a typical Regional Bell Operating Company (RBOC) central office (CO). This would result in lower development...

operations of smaller telecommunications companies. Liberalization Deregulation Regional Bell operating company Mobile virtual network operator Local loop...

Alascom in 1995. Alaska was also never served by any of the Regional Bell Operating Companies. Alascom and General Communications, Inc. have been the two...

US West, Inc. was one of seven Regional Bell Operating Companies (RBOCs, also referred to as "Baby Bells"), created in 1983 under the Modification of...

local services were regional Bell operating companies, but not all local telephone companies were a regional Bell operating company or tied to one at the...

Pupinization Receiver Off-Hook tone (ROH) Red telephone box Red box Regional Bell Operating Company (RBOC) Ringer equivalency number (REN) Ringing signal Rural...