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en.wikipedia.org/wiki/MCI_Inc.

MCI, Inc was an American telecommunication corporation, currently a subsidiary of Verizon Communications, with its main office in Ashburn, Virginia. The corporation was formed originally as a result of the merger of WorldCom ... On September 15, 1998, the new company, MCI WorldCom, opened for business, after MCI ...

www.verizonenterprise.com/industry/public_sector/federal/contracts/gsa_mas/mci

Under this contract, Verizon offers security, identity management and HSPD-12 services to federal and state and local government clients and their authorized ...

www.verizon.com/tariffs/PDFViewer.aspx?doc=159943

MCI COMMUNICATIONS SERVICES, INC. D/B/A VERIZON BUSINESS SERVICES. Rhode Island P.U.C. No. 3. 5055 North Point Parkway. Alpharetta, Georgia ...

www.fcc.gov/document/mci-communications-services-inc-dba-verizon-business-services-vs

Dec 12, 2008 ... MCI Communications Services, Inc. d/b/a Verizon Business Services vs. Embarq Florida, Inc., et al. Full Title. MCI Communications Services ...

www.puc.state.or.us/telecom/Abandonment%20of%20Services%20Notices/Customer%20Notice%20MCI%20dba%20Verizon%20Business%20-%20Enterprise.pdf

Verizon Business Services will no longer offer Person-to-Person, 3rd Number Billing, or Collect Call operator services throughout the United States, U.S. ...

ipinfo.io/AS6541

AS6541 MCI Communications Services, Inc. d/b/a Verizon Business Network Information, IP Address Ranges and Whois Details.

ipinfo.io/AS701

AS701 MCI Communications Services, Inc. d/b/a Verizon Business Network Information, IP Address Ranges and Whois Details.

www.dms.myflorida.com/business_operations/state_purchasing/vendor_information/state_contracts_and_agreements/state_term_contracts/information_technology_it_consulting_services/contractors/t_z/contractors_verizon_business_network_services_inc_on_behalf_of_mci_communications_services_inc_d_b_a_verizon_business_services

Verizon Business Network Services Inc. on behalf of MCI Communications Services, Inc. d/b/a Verizon Business Services ...

www.justice.gov/opa/pr/verizon-communications-pays-united-states-935-million-resolve-false-claims-act-allegations

Apr 5, 2011 ... Verizon subsidiary MCI Communications Services Inc. dba Verizon Business Services is alleged to have invoiced GSA for a variety of federal, ...