Register of persons with powers under the Electronic Communications Code
- 51º Limited
- Airwave Solutions Limited
- allpay Limited
- Arqiva Communications Ltd
- Arqiva Services Limited
- Arqiva Limited
- Anglian Water Services Ltd
- AT&T Global Network Services (UK) B.V.
- Atlas Communications NI Limited
- Bournemouth & West Hampshire Water Plc
- Bradford Cable Communications Limited
- Bristol Water Plc
- British Telecommunications plc
- Bytel Networks Ltd
- BSkyB Telecommunications Services Limited
- Call Flow Solutions Limited
- Cable & Wireless UK
- Central North Sea Fibre Telecommunications Company Limited
- Centric Telco Ltd
- CityLink Telecommunications Limited
- CityFibre Metro Networks Limited
- Cogent Communications UK Ltd
- COLT Technology Services
- Dwr Cymru Cyfyngedig
- Equant UK ltd
- Eircom UK Ltd
- Energis Communications Ltd
- Energis Local Access Ltd
- The Environment Agency
- EU Networks Fiber UK Limited
- Eurobell (South West) Limited
- Eurobell (Sussex) Limited
- Eurobell (West Kent) Limited
- Euro Payphone Ltd
- Everything Everywhere Limited
- FARICE hf.
- Faultbasic Ltd
- Fibernet UK Limited
- Fibrespan Limited
- FibreSpeed Limited
- Fibrewave Networks
- FLAG Atlantic UK Limited
- Fujitsu Services Limited
- Gamma Telecom Holdings Ltd
- GeneSYS Telecommunications Limited
- Geo Metro Limited
- Geo Networks Limited
- Gigaclear Limited
- Global Crossing (UK) Telecommunications Ltd
- GT UK Ltd
- Global One Communications Holding Ltd
- Hibernia Atlantic (UK) Limited
- Highlands and Islands Enterprise
- Hutchison 3G UK Limited
- H2O Networks Group
- Independent Fibre Networks Limited
- In Focus Public Networks Ltd
- Infolines Public Network Ltd (Code powers suspended)
- Internal Communication Systems Limited
- Internet Central Ltd
- Internet Airworks Ltd (now dissolved)
- Interoute (i-21 Limited)
- KDDI Europe Ltd
- KCOM Group Plc
- KPN EuroRings B.V.
- Lancaster University Network Services Limited
- Level 3 Communications Ltd
- M3Com II Limited, Bermuda
- MLL Telecom Ltd
- Mundio Mobile Limited
- Neos Networks Ltd
- NewNet plc
- Northumbrian Water Limited
- NWP Street Limited
- Orange Personal Communication Services Ltd
- Pipex Communications Business Solutions Limited
- Pipex Internet Limited
- Reach Europe Ltd
- Redstone Communications Limited
- Reliance FLAG Telecom Ireland Limited
- RSL Cityspace Limited
- Scottish Water
- Sea Fibre Networks Ltd
- Severn Trent Water Ltd
- Severn Trent Retail Services Limited
- Smallworld Media Communications Limited
- South East Water Plc
- Southern Water Ltd
- South West Water Ltd
- Sprintlink UK Ltd
- Spyder Facilities Limited
- SSE Telecommunications Limited
- Surf Telecoms Limited
- Sutton and East Surrey Water Plc
- TalkTalk Communications Limited
- Tata Communications (UK) Limited
- Telecom New Zealand (UK) Licences Limited
- Telewest Limited
- Telefonica UK Limited
- TeliaSonera International Carrier UK Limited
- Thales Transport and Security Limited
- Thames Water Utilities Ltd
- Thus plc
- Tiscali UK Limited
- Torch Communications Ltd
- Tweedwind Limited
- United Utilities Plc
- UK Broadband Limited
- Vectone Limited
- Veolia Water East Ltd
- Veolia Water Central Ltd
- Verizon UK Ltd
- Virgin Media Limited
- Virgin Media Wholesale Limited
- Vodafone Limited
- VTL Wavenet Limited
- Vtesse Networks Ltd
- VTL (UK) Ltd
- Wessex Water Services Ltd
- Wifinity Limited
- Wight Cable 2005 Ltd
- Your Communications Ltd
- Yorkshire Water Service Ltd
- Zayo Group UK Limited