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National Destination Code:20

This is the United Kingdom National Destination Code:20 Area Code Database page list. You can click the title to browse the detail information.
Region Code: LND
Region Name City Sn from Sn to Carrier Name Number Type
City of London London 13390000 13399999 COLT Technology Services G
City of London London 13400000 13409999 COLT Technology Services G
City of London London 15610000 15619999 COLT Technology Services G
City of London London 17640000 17649999 COLT Technology Services G
City of London London 18660000 18669999 COLT Technology Services G
City of London London 19990000 19999999 Adepteo Limited G
City of London London 30000000 30009999 Digital Mail Limited G
City of London London 30010000 30019999 Syntec Limited G
City of London London 30020000 30029999 Gamma Telecom Holdings Ltd G
City of London London 30030000 30039999 COLT Technology Services G
City of London London 30040000 30049999 Gamma Telecom Holdings Ltd G
City of London London 30050000 30059999 Gamma Telecom Holdings Ltd G
City of London London 30060000 30069999 Gamma Telecom Holdings Ltd G
City of London London 30070000 30079999 BT G
City of London London 30080000 30089999 Verizon UK Ltd G
City of London London 30090000 30099999 Verizon UK Ltd G
City of London London 30100000 30109999 BT G
City of London London 30110000 30119999 VoiceHost Limited G
City of London London 30120000 30129999 X-Pilot Limited G
City of London London 30130000 30139999 Icron Network Limited G
City of London London 30140000 30149999 Level 3 Communications UK Limited G
City of London London 30150000 30159999 British Sky Broadcasting Limited G
City of London London 30160000 30169999 British Sky Broadcasting Limited G
City of London London 30170000 30179999 Six Degrees Unified Comms Limited G
City of London London 30180000 30189999 Barritel Limited G
City of London London 30190000 30199999 iHub UK Ltd G
City of London London 30200000 30209999 Invomo Ltd G
City of London London 30210000 30219999 Coms.Com Ltd G
City of London London 30220000 30229999 BT G
City of London London 30230000 30239999 COLT Technology Services G
City of London London 30240000 30249999 BT G
City of London London 30250000 30259999 Vodafone Ltd (C&W) G
City of London London 30260000 30269999 Simwood eSMS Limited G
City of London London 30270000 30279999 BT G
City of London London 30280000 30289999 Virgin Media Limited G
City of London London 30300000 30309999 Served Up Limited. G
City of London London 30310000 30319999 Gamma Telecom Holdings Ltd G
City of London London 30320000 30329999 Skype Communications SA G
City of London London 30330000 30339999 BT G
City of London London 30340000 30349999 Orbtalk Limited G
City of London London 30350000 30359999 Plus Telecom Limited G
City of London London 30360000 30369999 COLT Technology Services G
City of London London 30370000 30379999 COLT Technology Services G
City of London London 30380000 30389999 COLT Technology Services G
City of London London 30390000 30399999 VoiceHost Limited G
City of London London 30400000 30409999 InTechnology Plc G
City of London London 30410000 30419999 4D Interactive Ltd G
City of London London 30420000 30429999 Virgin Media Limited G
City of London London 30430000 30439999 Verizon UK Ltd G
City of London London 30440000 30449999 BT G
City of London London 30450000 30459999 Virgin Media Limited G
City of London London 30460000 30469999 Cobalt Telephone Technologies G
City of London London 30470000 30479999 COLT Technology Services G
City of London London 30480000 30489999 COLT Technology Services G
City of London London 30490000 30499999 COLT Technology Services G
City of London London 30500000 30509999 Teledesign Ltd G
City of London London 30510000 30519999 Magrathea Telecommunications Limited G
City of London London 30520000 30529999 BT G
City of London London 30530000 30539999 Gamma Telecom Holdings Ltd G
City of London London 30540000 30549999 Vodafone Ltd (C&W) G
City of London London 30550000 30559999 BT G
City of London London 30560000 30569999 Six Degrees Unified Comms Limited G
City of London London 30570000 30579999 Verizon UK Ltd G
City of London London 30580000 30589999 Timico Limited G
City of London London 30590000 30599999 COLT Technology Services G
City of London London 30600000 30609999 Verizon UK Ltd G
City of London London 30620000 30629999 BT G
City of London London 30630000 30639999 Vodafone Ltd (Thus) G
City of London London 30640000 30649999 Voicetec Systems Ltd G
City of London London 30650000 30659999 Nextec (UK) Limited G
City of London London 30660000 30669999 BT G
City of London London 30670000 30679999 BT G
City of London London 30680000 30689999 BT G
City of London London 30690000 30699999 BT G
City of London London 30700000 30709999 Vodafone Ltd (C&W) G
City of London London 30710000 30719999 BT G
City of London London 30720000 30729999 BT G
City of London London 30730000 30739999 BT G
City of London London 30740000 30749999 BT G
City of London London 30750000 30759999 BT G
City of London London 30760000 30769999 BT G
City of London London 30770000 30779999 BT G
City of London London 30780000 30789999 BT G
City of London London 30790000 30799999 Griffin Information Systems Ltd G
City of London London 30800000 30809999 BT G
City of London London 30810000 30819999 Atlas Interactive Group Limited G
City of London London 30820000 30829999 Vodafone Ltd (C&W) G
City of London London 30830000 30839999 BT G
City of London London 30840000 30849999 BT G
City of London London 30860000 30869999 Vodafone Ltd (C&W) G
City of London London 30870000 30879999 BT G
City of London London 30880000 30889999 BT G
City of London London 30890000 30899999 BT G
City of London London 30900000 30909999 Cheers International Sales Limited G
City of London London 30910000 30919999 British Sky Broadcasting Limited G
City of London London 30920000 30929999 TalkTalk Communications Limited G
City of London London 30930000 30939999 BT G
City of London London 30940000 30949999 Square Systems Limited G
City of London London 30950000 30959999 Andrews & Arnold Ltd G
City of London London 30960000 30969999 Frontier Systems Ltd G