Carrier List

CoreSite provides connectivity to hundreds of carriers across our portfolio. Interconnecting to these providers within the same colocation environment allows you to reduce costs, minimize latency and simplify your IT architecture. Our interactive carrier list allows you to search for networks by market.

Search for carriers by name or click on a location to filter for available carriers.

Tip - Swipe left & right to see table data

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Los AngelesSilicon ValleyChicagoVirginiaNew YorkBostonDenverMiami
2310 Sepulveda Corp
2310 Sepulveda Corp
3DS Communications
3DS Communications
3GTY Inc.
3GTY Inc.
6x7 Networks
6x7 Networks
AARNet P/L
AARNet P/L
ACS Data
ACS Data
APN Telecom
APN Telecom
ASH Cable LLC
ASH Cable LLC
AT&T Inc.
AT&T Inc.
AWI Networks
AWI Networks
Abundance Networks
Abundance Networks
Acquire Asia Pacific PTY Ltd
Acquire Asia Pacific PTY Ltd
AireSpring
AireSpring
Akamai Technologies Inc.
Akamai Technologies Inc.
Allied Telecom
Allied Telecom
Allo Communications
Allo Communications
Alyrica Networks Inc
Alyrica Networks Inc
America Movil
America Movil
American Telesis
American Telesis
American Tower Corp
American Tower Corp
Anova Technologies
Anova Technologies
Apcela
Apcela
Arqiva
Arqiva
Aryaka
Aryaka
Atlantech Online
Atlantech Online
Atlantic Metro Communications
Atlantic Metro Communications
Aussie Broadband Pty Ltd.
Aussie Broadband Pty Ltd.
BTI America
BTI America
Backstage Networks
Backstage Networks
Beanfield Metroconnect
Beanfield Metroconnect
Bel Air Internet
Bel Air Internet
BellSouth Telecommunications LLC
BellSouth Telecommunications LLC
Bright Packet Inc
Bright Packet Inc
BrightLink Communications
BrightLink Communications
BringCom
BringCom
British Telecom Group
British Telecom Group
Broadband Dynamics
Broadband Dynamics
Brunei International Gateway
Brunei International Gateway
CDNetworks
CDNetworks
CERNET
CERNET
CMC Networks
CMC Networks
Cable & Wireless
Cable & Wireless
Cablevision Lightpath NJ LLC
Cablevision Lightpath NJ LLC
CacheFly
CacheFly
California Internet Solutions
California Internet Solutions
Callvox
Callvox
Cambridge Bandwidth Consortium
Cambridge Bandwidth Consortium
CarrierX LLC
CarrierX LLC
Cato Networks
Cato Networks
CenturyLink
CenturyLink
CenturyLink Communications LLC
CenturyLink Communications LLC
Charter Communications
Charter Communications
China Cache
China Cache
China Mobile
China Mobile
China Telecom
China Telecom
China Unicom
China Unicom
Cincinnati Bell Telephone
Cincinnati Bell Telephone
Clearwire
Clearwire
CloudFlare
CloudFlare
Cogent Communications
Cogent Communications
Collins Communications Inc.
Collins Communications Inc.
Colt Group SA
Colt Group SA
ComTechnologies
ComTechnologies
Comcast Corporation
Comcast Corporation
Common Networks
Common Networks
Comnet
Comnet
Comporium
Comporium
Comsat Inc
Comsat Inc
ConneXon Telecom
ConneXon Telecom
Connect To Communications Inc.
Connect To Communications Inc.
Continent 8 Technologies
Continent 8 Technologies
Cosmic Global Networks LLC
Cosmic Global Networks LLC
Cox Enterprises
Cox Enterprises
Cross River Fiber
Cross River Fiber
Crown Castle
Crown Castle
CyberNet Communications
CyberNet Communications
DE-CIX North America Inc.
DE-CIX North America Inc.
DID Logic INC.
DID Logic INC.
DIDWW
DIDWW
Dacom
Dacom
DiGiCom LTD
DiGiCom LTD
Dialing Services LLC
Dialing Services LLC
E-Networks Inc
E-Networks Inc
EXOT Limited
EXOT Limited
Eastern Telecommunications Philippines
Eastern Telecommunications Philippines
Echostar
Echostar
Emerging Markets Communications
Emerging Markets Communications
Emirates Telecommunications Corporation
Emirates Telecommunications Corporation
Epsilon Global Communications Pte Ltd
Epsilon Global Communications Pte Ltd
Ericsson
Ericsson
Everstream Solutions LLC
Everstream Solutions LLC
Everywhere Wireless
Everywhere Wireless
Expereo USA inc
Expereo USA inc
Extenet Systems
Extenet Systems
FPT Corporation
FPT Corporation
FastTrack Communications Inc.
FastTrack Communications Inc.
Fastly
Fastly
Fiber Internet Center
Fiber Internet Center
Fiberlight
Fiberlight
Fireline
Fireline
Fonality
Fonality
France Telecom
France Telecom
Frontier Communications
Frontier Communications
G-Core Labs
G-Core Labs
G3 Comms
G3 Comms
GIGAMONSTER
GIGAMONSTER
GLBB Japan
GLBB Japan
GTA Teleguam
GTA Teleguam
GTT
GTT
Global Dots Inc
Global Dots Inc
Global Network Holdings Inc.
Global Network Holdings Inc.
Global Transit
Global Transit
Global VoIP Corporation
Global VoIP Corporation
Globe Telecom
Globe Telecom
Globe Teleservices LTD
Globe Teleservices LTD
Globecast
Globecast
Google Inc.
Google Inc.
Granite Telecommunications
Granite Telecommunications
GridFury LLC
GridFury LLC
Hawaiian Telecom
Hawaiian Telecom
Highwire Networks
Highwire Networks
Host SG
Host SG
Hotel Kiosks Inc
Hotel Kiosks Inc
Hughes Network Systems LLC
Hughes Network Systems LLC
Hurricane Electric
Hurricane Electric
Hutchison Global
Hutchison Global
Hypersurf
Hypersurf
IPC Network Services Inc.
IPC Network Services Inc.
IPTP LLC
IPTP LLC
IT Vocal LLC
IT Vocal LLC
IX Reach Limited
IX Reach Limited
Impact Telecom
Impact Telecom
InSite Wireless Group LLC
InSite Wireless Group LLC
Init7
Init7
Instanet
Instanet
InterCarrier Networks LLC
InterCarrier Networks LLC
Interchange Limited
Interchange Limited
Internap
Internap
Internet2
Internet2
Iowa Communications Network
Iowa Communications Network
Japan Telecom America
Japan Telecom America
Jive Communications
Jive Communications
Jump Systems
Jump Systems
Junction Network
Junction Network
K-Opti.com
K-Opti.com
KDDI America Inc.
KDDI America Inc.
Kakao Corp.
Kakao Corp.
Kellin Communications
Kellin Communications
Kio Networks
Kio Networks
Korea Telecom
Korea Telecom
LAIX Corp.
LAIX Corp.
LINX USA Inc
LINX USA Inc
LTN Global Communications
LTN Global Communications
Layer 2 Co Ltd
Layer 2 Co Ltd
Layer3 TV INC.
Layer3 TV INC.
Lepton Global
Lepton Global
Level (3) Communications
Level (3) Communications
Lightower Fiber Networks II LLC
Lightower Fiber Networks II LLC
Lightower Fiber Networks II LLC
Lightower Fiber Networks II LLC
Limelight Networks
Limelight Networks
LiveCom Limited
LiveCom Limited
M-Way Group
M-Way Group
M1 Limited
M1 Limited
Maintel Europe / was Azzurri
Maintel Europe / was Azzurri
Managed Way Company
Managed Way Company
Megaport
Megaport
Metroswitch Technologies Inc.
Metroswitch Technologies Inc.
Mitec Solutions
Mitec Solutions
Mitel
Mitel
MyRepublic Ltd
MyRepublic Ltd
NMSURF
NMSURF
NOS Communications
NOS Communications
NTT Communications Corporation
NTT Communications Corporation
NantWorks LLC
NantWorks LLC
National Rural Telecommunications Cooperative
National Rural Telecommunications Cooperative
NebraskaLink
NebraskaLink
Network Billing Systems LLC
Network Billing Systems LLC
Neutrona
Neutrona
NewConnect LLC
NewConnect LLC
NexG
NexG
NexGen Networks
NexGen Networks
Nextologies Limited
Nextologies Limited
NiTel
NiTel
Nobelbiz Inc.
Nobelbiz Inc.
OmanTel
OmanTel
Omely Telecom Inc.
Omely Telecom Inc.
One Ring Networks
One Ring Networks
OneStream Networks
OneStream Networks
Optic Access
Optic Access
PAXIO
PAXIO
PC Landing
PC Landing
PCCW
PCCW
PLDT
PLDT
PTGI International Carrier Services Inc.
PTGI International Carrier Services Inc.
PVT Networks
PVT Networks
Pacific Carriage
Pacific Carriage
Pacific Northwest Net
Pacific Northwest Net
PacketFabric LLC
PacketFabric LLC
Paradigm Telecom
Paradigm Telecom
Pavlov Media Inc.
Pavlov Media Inc.
Peerless Network
Peerless Network
Pilot Fiber
Pilot Fiber
Pioneer Communications Inc.
Pioneer Communications Inc.
Piratel LLC
Piratel LLC
Planters Communications
Planters Communications
Plum Voice
Plum Voice
Point5
Point5
Protel Services Inc
Protel Services Inc
Que Networks Pte Ltd.
Que Networks Pte Ltd.
RCN
RCN
RETN
RETN
ReliableSite.Net LLC
ReliableSite.Net LLC
Reliance Communications
Reliance Communications
Roadway Communication
Roadway Communication
Rocket Fiber LLC
Rocket Fiber LLC
Rocket Internetworking
Rocket Internetworking
Rocky Mountain Internet
Rocky Mountain Internet
SES Americom fka GE
SES Americom fka GE
SIPARTECH
SIPARTECH
Sail Internet
Sail Internet
Sansay
Sansay
Satcom Direct
Satcom Direct
Savvis Communications Corporation
Savvis Communications Corporation
Seaborn Networks
Seaborn Networks
Shaw Communications Inc.
Shaw Communications Inc.
Sheng Li Telecom Limited
Sheng Li Telecom Limited
SiFi Networks America
SiFi Networks America
Sify Technologies Limited
Sify Technologies Limited
Silica Networks
Silica Networks
SingTel
SingTel
Single Source Telecom LLC
Single Source Telecom LLC
Skyhook Wireless
Skyhook Wireless
Smart Network Solutions
Smart Network Solutions
Snap Ltd.
Snap Ltd.
Softcom Internet Communications Inc.
Softcom Internet Communications Inc.
Sonic.net
Sonic.net
South Central Tower co LLC.
South Central Tower co LLC.
South Dakota Network
South Dakota Network
Spectrum Link
Spectrum Link
Sprint
Sprint
Star2Star Communications
Star2Star Communications
Starry
Starry
Strata Networks
Strata Networks
Subrigo
Subrigo
Subrigo Communications Corporation
Subrigo Communications Corporation
Summit IG
Summit IG
Sunesys
Sunesys
Superloop
Superloop
Surfnet Communications
Surfnet Communications
Synergem
Synergem
Syniverse Technologies
Syniverse Technologies
Syringa Networks
Syringa Networks
T-Mobile
T-Mobile
TCT LLC.
TCT LLC.
TDS Telecom
TDS Telecom
TELSTRA CORPORATION LIMITED
TELSTRA CORPORATION LIMITED
TELUS Corporation
TELUS Corporation
TPG Internet
TPG Internet
TSG Global
TSG Global
Taiwan Fixed Network Co. Ltd.
Taiwan Fixed Network Co. Ltd.
Tata Communications
Tata Communications
Telecom Italia
Telecom Italia
Telecom New Zealand USA Limited
Telecom New Zealand USA Limited
Telehouse International
Telehouse International
Telekenex Inc
Telekenex Inc
Telesystem
Telesystem
Televergence
Televergence
TeliaSonera International Carrier
TeliaSonera International Carrier
Teliax
Teliax
Telkom USA Inc.
Telkom USA Inc.
Teramesh Networks
Teramesh Networks
The Public Joint Stock Company Mobile TeleSystems
The Public Joint Stock Company Mobile TeleSystems
Tier One Networks
Tier One Networks
Time Warner Cable Enterprises LLC
Time Warner Cable Enterprises LLC
Ting
Ting
Tirastel
Tirastel
TouchTone Communications, Inc.
TouchTone Communications, Inc.
Towardex Technologies International Inc
Towardex Technologies International Inc
TowerStream
TowerStream
Transaction Network Services
Transaction Network Services
Transtelco
Transtelco
Treasure Lake LP
Treasure Lake LP
Trinity Comminications Inc
Trinity Comminications Inc
Tularosa Basin Telecom
Tularosa Basin Telecom
Tv Plus Pty Ltd
Tv Plus Pty Ltd
U.S. Telepacific Holdings Corp
U.S. Telepacific Holdings Corp
US Signal
US Signal
USConnect Holdings
USConnect Holdings
UVNV
UVNV
Ufinet Guatemala S.A
Ufinet Guatemala S.A
Ultimate Internet Access
Ultimate Internet Access
United Internet Exchange
United Internet Exchange
Uno Communications Inc.
Uno Communications Inc.
Utility Telephone
Utility Telephone
VMWare
VMWare
VNPT Global USA
VNPT Global USA
Vapor
Vapor
Vast Broadband
Vast Broadband
Velocity The Greatest Phone Company Ever Inc
Velocity The Greatest Phone Company Ever Inc
Veracity Networks
Veracity Networks
Verizon Communications Inc.
Verizon Communications Inc.
Verizon Digital Media Services Inc
Verizon Digital Media Services Inc
Verizon Virginia Inc.
Verizon Virginia Inc.
Vermont Telephone Company
Vermont Telephone Company
Verso Networks
Verso Networks
Vertex Group Ltd.
Vertex Group Ltd.
ViaSat Inc.
ViaSat Inc.
Viewqwest
Viewqwest
Virtutel Pty Ltd
Virtutel Pty Ltd
Vision Telecom Inc.
Vision Telecom Inc.
Visionary
Visionary
Vocus Communications
Vocus Communications
Voxbone US LLC
Voxbone US LLC
WaveDivision Holdings LLC
WaveDivision Holdings LLC
West Corporation
West Corporation
Wharf T&T Limited
Wharf T&T Limited
Whitesky Communications
Whitesky Communications
Wide Cloud
Wide Cloud
WifiRush
WifiRush
Wiline Networks
Wiline Networks
Windbreak Cable
Windbreak Cable
Windstream Corporation
Windstream Corporation
X2nSat
X2nSat
XLC Global Limited
XLC Global Limited
XMission LC
XMission LC
XO Holdings Inc.
XO Holdings Inc.
Zayo Group
Zayo Group
Zenlayer Inc.
Zenlayer Inc.
textPlus Inc.
textPlus Inc.
unWired Broadband Inc.
unWired Broadband Inc.