ZAYO GroupContact ZayoTranzactEurope NetworkNetwork MapSupportRss FeedYouTubeGoogle PlusTwitterLinkedInFacebookShow NavigationCompanyCompany OverviewCareersEventsLeadership TeamContact ZayoServicesDark FiberWavelengthsEthernetIP ServicesColocationzOne Professional ServicesSONETMobile InfrastructureSolutions by IndustryCable & SatelliteCarriersData Center & CloudE-Rate & K-12 EducationFinancial & Low LatencyHealthcareMedia & InternetOil & GasResearch & EducationUtilitiesNetwork OverviewInteractive MapBuildings List & KMZ FilesMetro Fiber MapsColocation FacilitiesInvestorsCompany HistoryEarnings ReleasesFinancial ReportsSEC ReportsCompany GovernanceInvestor EventsGlossaryOwner’s ManualInvestor PresentationPartnersAgent PartnersReferral PartnersAgent Quote RequestNewsHigh-Bandwidth Global NetworkExplore Zayo's Interactive Network Map14,190 On-Net Buildings in 297 MarketsConnected by 76,770 Route Miles of FiberExplore Network MapCarriersCable and SatelliteCloud &Data CenterFinancial & Low-LatencyHealthcareMedia & InternetOil & GasResearch & EducationUtilitiesAtlantaChicagoDenverLondonNew YorkPhiladelphiaSan FranciscoSeattleTucsonWashington DCDark FiberWavelengthsEthernetIP ServicesColocationzOne ServicesSONETMobile InfrastructureBrowse by marketBrowsing by industryBrowse by serviceLATEST PRESS RELEASESZayo Group Expands Mount Prospect, IL Colocation Facility 03.28.2014Zayo announces an expansion in its Mount Prospect, Ill., colocation facility, located at 800 E. Business Center Dr. Zayo acquired the 82,000 sq. ft. facility in August of 2013, At time of purchase, the site had approximately 12,000 sq. ft. of developed data center space. Recent network growth demands of two major internet/content delivery customers prompted a $12 million infrastructure investment to develop the facility. zColo will add 20,000 sq ft of datacenter floor space and 2 Megawatts of utility capacity in a fully redundant N+1 environment, resulting in approximately 32,000 sq ft of total datacenter space and 4 Megawatts of utility power.Read MoreZayo Adds Diverse 100G Wavelength Network from New York to Ashburn, Va. 03.27.2014Zayo has deployed a 100G wavelengths network from New York to Ashburn, Va. The new route provides diverse connectivity from the existing Zayo 100G route following the I-95 corridor. The 100G route expansion will accommodate high bandwidth demand driven by cloud computing and financial customers in the region, and those needing diverse connectivity between New York and Ashburn.Read MoreZayo Extends Dark Fiber Network into Continuum Data Centers’ New West Chicago Facility 03.26.2014Zayo has extended its network into Continuum Data Center's 603 Discovery Dr. West data center in Chicago’s western suburbs. The two companies also have executed a joint marketing and partnership agreement. Its Chicago dark fiber network will enable the data center access to Zayo’s full suite of services, including wavelengths, Ethernet, IP services an