01720 Dialling Code

01720 is a Geographic dialling code covering the Isles of Scilly area.

The correct way to format a number in the 01720 code is:

01720 nnnnnn (for dialling within the UK)
+44 1720 nnnnnn (for dialling from outside the UK)

Typical call costs to 01720 numbers

Calls from landlines are typically charged between 2p and 10p per minute; calls from mobiles between 10p and 40p per minute. For landlines there is normally also a call set-up fee, and call charges are dependent on the time of day. Most providers offer call packages that allow calls free of charge at certain times of the day.

Telephone exchanges within 01720

Name BT Code County Region Postcode
Scillonia WWSCIL Cornwall South West TR21 0NR

Allocated subsets of numbers in 01720

Prefix Telecommunications Provider Number Length Last Change Notes
0172020 Teledesign Ltd 11 digits 25/10/2007 F-Digit '2'
0172021 VoIP-Un Limited 11 digits 01/11/2007 F-Digit '0'
0172022 InTechnology Plc 11 digits 07/01/2008 F-Digit '2'
0172023 Telecom2 Ltd 11 digits 10/09/2009 F-Digit '6'
0172024 Timico Limited 11 digits 20/05/2008 F-Digit '8'
0172025 Nodemax Limited 11 digits 17/07/2008 F-Digit '0'
0172026 Nationwide Telephone Assistance Ltd 11 digits 02/10/2007 F-Digit '0'
0172027 (aq) Limited trading as aql 11 digits 03/10/2007
01720288 TalkTalk Communications Limited 11 digits 19/01/2012
01720289 TalkTalk Communications Limited 11 digits 19/01/2012
0172029 Frontier Systems Ltd 11 digits 27/09/2007 F-Digit '3'
0172030 Telephony Services Limited 11 digits 04/08/2006 F-Digit '2'
01720321 Orbtalk Limited 11 digits 15/09/2011
01720323 INET Telecoms Ltd (Voipfone) 11 digits 17/10/2011
01720324 Skyweb Limited 11 digits 28/09/2011
01720325 Internexus Networks Limited 11 digits 22/11/2011
01720326 Simwood eSMS Limited 11 digits 02/02/2012
01720327 Broadcast Telecom Ltd 11 digits 29/02/2012
01720328 Bicom Systems EURL 11 digits 01/03/2012
01720329 ICC Networks Ltd 11 digits 16/04/2012
0172033 Net Solutions Europe Limited 11 digits 15/02/2006 F-Digit '3'
0172035 TelNG Limited 11 digits 28/02/2007 F-Digit '2'
0172036 Localphone Limited 11 digits 14/05/2007 F-Digit '0'
01720377 Spitfire Network Services Ltd 11 digits 11/11/2011
0172038 Skycom Ltd 11 digits 27/06/2007 F-Digit '2'
0172040 BT 11 digits 15/06/1998
0172041 Gamma Telecom Holdings Ltd 11 digits 25/04/2005
0172042 BT 11 digits 15/07/1994
01720430 Linear Telecoms Limited 11 digits 18/10/2010
01720431 API Telecom Limited 11 digits 10/04/2012
01720432 Hello Telecom (UK) PLC 11 digits 20/07/2012
01720433 Ziron (UK) Ltd 11 digits 31/07/2012
01720434 We Love Communications Limited 11 digits 14/08/2012
01720435 Invoco Ltd 11 digits 25/04/2012
01720436 Content Guru Ltd 11 digits 12/10/2012
01720437 IOVOX Limited 11 digits 04/07/2012
01720438 Minotaur Telecom Limited 11 digits 05/02/2013
01720439 XoverX Ltd 11 digits 30/04/2013
0172044 Edge Telecom Limited 11 digits 11/04/2005
0172045 Magrathea Telecommunications Limited 11 digits 24/09/2004
0172046 Danemere Street Creative 11 digits 23/06/2005
0172047 T.T.N.C. Limited 11 digits 02/10/2006 F-Digit '0,1,2,3,4,5,6,7,8,9'
0172048 FleXtel Limited 11 digits 11/11/2005
0172049 Net-Work Internet Ltd 11 digits 21/09/2007 F-Digit '0'
01720500 Voxbone SA 11 digits 09/12/2011
0172051 Served Up Limited. 11 digits 22/10/2008 F-Digit '0'
0172052 3C Limited 11 digits 01/10/2008 F-Digit '2'
0172053 Solutios Limited 11 digits 25/11/2008 F-Digit '2'
01720547 Premium O Limited 11 digits 09/01/2009
0172055 IPV6 Limited 11 digits 06/02/2009 F-Digit '0'
0172056 Mars Communications Limited 11 digits 06/02/2009 F-Digit '0'
0172057 Andrews & Arnold (Numbers) Ltd 11 digits 27/03/2009 F-Digit '0'
0172058 Nexus Telecommunications Limited 11 digits 11/06/2009 F-Digit '0'
0172059 Telecoms World Plc 11 digits 08/06/2009 F-Digit '0'
0172060 CFL Communications Limited 11 digits 14/07/2009 F-Digit '0'
01720610 Digitech Solutions Global Limited 11 digits 28/04/2010
01720611 Suretec Systems Ltd 11 digits 12/05/2010
01720612 Atomstream Limited 11 digits 14/05/2010
01720613 Calltracks LTD 11 digits 08/07/2010
01720614 Syntec UK Ltd 11 digits 13/07/2010
01720615 Core Telecom Limited 11 digits 05/08/2010
01720616 Affiniti Integrated Solutions Ltd 11 digits 01/12/2010
01720617 Windsor Telecom Plc 11 digits 22/07/2010
01720618 Telephone Box Limited 11 digits 09/12/2010
01720619 Cheers International Sales Limited 11 digits 15/12/2010
01720620 Phone Co-Op Numbering Limited 11 digits 21/12/2010
01720621 Globecom International Limited 11 digits 31/12/2010
01720622 In Call Solutions Limited 11 digits 20/01/2011
01720623 Nexbridge Communications Limited 11 digits 17/03/2011
01720624 Tesla Dynamic Ltd 11 digits 12/07/2011
01720626 i-Net Communications Group Plc 11 digits 03/07/2013
01720632 Kalnet4u Ltd 11 digits 30/05/2013

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