01720 Area Code - Isles of Scilly

The 01720 area code is used for Isles of Scilly (County of Cornwall) and the areas directly surrounding Isles of Scilly, which includes 5 distinct locations. Most 01720 numbers are used for landlines. However, they can also be purchased by companies or organizations to be used for services that don’t have any connection to the Isles of Scilly area.

Previously, the area used 0720 as their area code. This changed in April 1995 during the phONEday event, where it was changed to the 01720 area code to accommodate the growing population and supplement the shrinking supply of phone numbers in Cornwall.

Number Structure

Area CodeNumber
01720xx xxxx

Locations Covered

Cost of calling 01720 numbers

Typically, calls to the 01720 area code are very affordable and are some of the cheapest apart from freephone numbers. During peak times when calling from a landing, expect to pay between 10p to 12p per minute. In the evening or on the weekend, it will cost you between 5p and 10p per minute. If you are calling from a mobile phone, these costs increase to 30p to 50p per minute.

Prefixes and Providers

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01720 20Teledesign Ltd25/10/2007
01720 21VoIP-Un Limited01/11/2007
01720 22Redcentric Solutions Limited05/06/2015
01720 23Telecom2 Ltd10/09/2009
01720 24Timico Limited20/05/2008
01720 25Nodemax Limited17/07/2008
01720 26Nationwide Telephone Assistance Ltd02/10/2007
01720 27(aq) Limited trading as aql12/09/2012
01720 288TalkTalk Communications Limited19/01/2012
01720 289TalkTalk Communications Limited19/01/2012
01720 29Voiceflex Limited27/09/2007
01720 30AQL Wholesale Ltd04/08/2006
01720 320YayYay Limited23/04/2015
01720 321Orbtalk Limited15/09/2011
01720 322Metronet (UK) Limited21/05/2019
01720 323Inet Telecoms Ltd (Voipfone)17/10/2011
01720 324Barritec Limited28/09/2011
01720 325Internexus Networks Limited22/11/2011
01720 326Simwood eSMS Limited02/02/2012
01720 328Bicom Systems EURL01/03/2012
01720 329ICC Networks Ltd16/04/2012
01720 33Net Solutions Europe Limited15/02/2006
01720 35TelNG Limited28/02/2007
01720 36Localphone Limited14/05/2007
01720 377Spitfire Network Services Limited11/11/2011
01720 38Barritel Limited27/06/2007
01720 40BT15/06/1998
01720 41Gamma Telecom Holdings Ltd25/04/2005
01720 42BT15/07/1994
01720 430Linear Telecoms Limited18/10/2010
01720 431API Telecom Limited10/04/2012
01720 432Hello Telecom (UK) Limited20/07/2012
01720 433Ziron Limited31/07/2012
01720 435Invoco Ltd25/04/2012
01720 436Content Guru Ltd12/10/2012
01720 437IOVOX Limited04/07/2012
01720 438Minotaur Telecom Limited05/02/2013
01720 439XoverX Ltd30/04/2013
01720 44GCI Network Solutions Ltd26/04/2017
01720 45Magrathea Telecommunications Limited24/09/2004
01720 47TTNC Limited12/11/2013
01720 48FleXtel Limited11/11/2005
01720 49Net-Work Internet Ltd21/09/2007
01720 500Voxbone SA09/12/2011
01720 51Served Up Limited22/10/2008
01720 53Solutios Limited25/11/2008
01720 547Timico Limited15/03/2016
01720 55IPV6 Limited06/02/2009
01720 56Mars Communications Limited06/02/2009
01720 57Andrews & Arnold (Numbers) Ltd27/03/2009
01720 58Nexus Telecommunications Limited11/06/2009
01720 59Telecoms World PLC08/06/2009
01720 60CFL Communications Limited14/07/2009
01720 610Digitech Solutions Global Limited28/04/2010
01720 611Suretec Systems Ltd12/05/2010
01720 612Atomstream Limited14/05/2010
01720 614Syntec Limited13/07/2010
01720 615Core Telecom Limited05/08/2010
01720 616Affiniti Integrated Solutions Limited01/12/2010
01720 617Windsor Telecom Ltd22/07/2010
01720 618Telephone Box Limited09/12/2010
01720 620Phone Co-Op Numbering Limited21/12/2010
01720 622Invosys Limited17/05/2012
01720 623Nexbridge Communications Limited09/03/2012
01720 624Colt Technology Services18/07/2016
01720 625Adepteo Limited06/12/2016
01720 626i.net communications Group PLC03/07/2013
01720 627iHub 2 Limited18/05/2016
01720 628Fuse 2 Communications Ltd03/07/2017
01720 629Club Communications31/07/2018
01720 631IP Voice Networks Ltd20/09/2017
01720 632Kalnet4U Ltd30/05/2013
01720 633Redwood Technologies Ltd15/11/2018
01720 634Zapappi Ltd05/01/2018
01720 635Sky UK Limited20/11/2018
01720 636Number Services Ltd.22/11/2018
01720 637DIDWW Ireland Limited22/01/2019
01720 638Vodafone Ltd (C&W)06/06/2019
01720 639Hemshore Ltd16/05/2016
01720 740Dial 9 Communications Limited08/01/2020
01720 744I.T Communications Limited05/09/2019

Map of Isles of Scilly

Other Area Codes in this County (Cornwall)

01726St Austell

All Area Codes About 01, 02 Numbers