0300 Dialling Code

0300 is a UK-wide dialling code used for Local Call Equivalent telephone numbers.

The correct way to format a number in the 0300 code is:

0300 nnn nnnn (for dialling within the UK)
+44 300 nnn nnnn (for dialling from outside the UK)

Typical call costs to 0300 numbers

Many organisations use 03 numbers as an alternative to more expensive 08 numbers.

Calls cost no more than calls to geographic numbers (01 or 02) and must be included in inclusive minutes and discount schemes in the same way. Calls from landlines are typically charged between 2p and 10p per minute; calls from mobiles typically cost between 10p and 40p per minute. Calls from landlines and mobiles are included in free call packages.

Allocated subsets of numbers in 0300

Prefix Telecommunications Provider Number Length Last Change Notes
0300000 TelNG Limited 11 03/2007
0300001 Hello Telecom (UK) PLC 11 04/2009
0300002 DRD Communications Limited 11 07/2009
0300003 Daisy Communications Ltd 11 12/2010
0300004 TalkTalk Communications Limited 11 10/2009
0300005 NBCN Networks Ltd 11 01/2010
0300006 Resilient Networks Plc 11 08/2010
0300007 Rhema Telecom 11 03/2007
0300008 Numbers Plus Ltd 11 07/2011
0300009 Phone Co-Op Numbering Limited 11 02/2012
0300010 Vodafone Ltd (C&W) 11 12/2009
0300011 Number Solutions Ltd 11 03/2007
0300012 Windsor Telecom Plc 11 03/2007
0300013 BT 11 03/2009
0300014 Liquid 11 Limited 11 07/2011
0300020 Vodafone Ltd (C&W) 11 03/2010
0300022 Tuxtel Ltd 11 09/2010
0300023 TalkTalk Communications Limited 11 05/2009
0300024 Vodafone Ltd (C&W) 11 08/2008
0300025 BT 11 08/2013
0300026 Wavenet UK Ltd 11 09/2010
0300028 Wavenet UK Ltd 11 12/2010
0300029 Virgin Media Limited 11 10/2007
0300030 T.T.N.C. Limited 11 03/2007
0300031 Square Systems 11 11/2008
0300033 Sesui Limited 11 03/2007
0300034 TelXL Ltd 11 04/2011
0300035 Danemere Street Creative 11 07/2009
0300038 NewVoiceMedia Limited 11 04/2010
0300040 Andrews & Arnold Ltd 11 07/2007
0300041 Global Crossing (UK) Ltd 11 01/2012
0300042 Global Crossing (UK) Ltd 11 01/2012
0300044 Tuxtel Ltd 11 09/2010
0300045 Six Degrees Unified Comms Limited 11 03/2007
0300047 Global Crossing (UK) Ltd 11 02/2010
0300048 Global Crossing (UK) Ltd 11 02/2010
0300049 Global Crossing (UK) Ltd 11 02/2010
0300050 Global Crossing (UK) Ltd 11 02/2008
0300051 Global Crossing (UK) Ltd 11 06/2007
0300052 Global Crossing (UK) Ltd 11 06/2007
0300053 Global Crossing (UK) Ltd 11 06/2007
0300054 Global Crossing (UK) Ltd 11 06/2007
0300055 Global Crossing (UK) Ltd 11 06/2007
0300056 Global Crossing (UK) Ltd 11 06/2007
0300057 Global Crossing (UK) Ltd 11 06/2007
0300058 Global Crossing (UK) Ltd 11 06/2007
0300059 Global Crossing (UK) Ltd 11 06/2007
0300060 Global Crossing (UK) Ltd 11 06/2007
0300061 Global Crossing (UK) Ltd 11 06/2007
0300062 Global Crossing (UK) Ltd 11 06/2007
0300063 Global Crossing (UK) Ltd 11 06/2007
0300064 Global Crossing (UK) Ltd 11 06/2007
0300065 Global Crossing (UK) Ltd 11 06/2007
0300066 Global Crossing (UK) Ltd 11 06/2007
0300067 Global Crossing (UK) Ltd 11 06/2007
0300068 Global Crossing (UK) Ltd 11 06/2007
0300069 Global Crossing (UK) Ltd 11 06/2007
0300070 Swiftnet Ltd 11 09/2007
0300075 Aloha Telecommunications Limited 11 07/2012
0300080 (aq) Limited trading as aql 11 08/2007
0300081 Ziron (UK) Ltd 11 08/2012
0300083 Virgin Media Limited 11 09/2007
0300088 Skyweb Limited 11 03/2007
0300090 360CRM Ltd 11 10/2011
0300099 Windsor Telecom Plc 11 03/2007
0300100 Vodafone Ltd (Energis) 11 03/2007
0300101 VoIP-Un Limited 11 11/2007
0300102 Core Telecom Limited 11 11/2011
0300103 Keycom plc 11 07/2009
0300110 Frontier Systems Ltd 11 08/2008
0300111 Admiral Telecom Limited 11 04/2007
0300112 Andrews & Arnold (Numbers) Ltd 11 05/2010
0300121 FleXtel Limited 11 03/2007
0300122 Affiniti Integrated Solutions Ltd 11 11/2008
0300123 BT 11 03/2007
0300124 BT 11 05/2013
0300126 Affiniti Integrated Solutions Ltd 11 12/2008
0300130 Verizon UK Ltd 11 03/2007
0300133 Net 366.Com Limited 11 04/2009
0300199 Telecoms World Direct Ltd 11 01/2011
0300200 Vodafone Ltd (C&W) 11 03/2010
0300201 Citrus Telecommunications Ltd 11 07/2007
0300202 Affiniti Integrated Solutions Ltd 11 08/2013
0300215 Global Crossing (UK) Ltd 11 06/2010
0300220 Group 3 Technology Limited 11 04/2011
0300222 KCOM Group PLC 11 03/2007
0300234 Talk Numbers Ltd 11 06/2010
0300244 Vodafone Ltd (C&W) 11 03/2010
0300246 Voicetec Systems Ltd 11 09/2011
0300247 InTechnology Plc 11 12/2008
0300263 Virgin Media Limited 11 09/2007
0300300 Virgin Media Limited 11 03/2007
0300301 Solutios Limited 11 10/2008
0300302 INET Telecoms Ltd (Voipfone) 11 07/2012
0300303 Gamma Telecom Holdings Ltd 11 03/2007
0300304 Gamma Telecom Holdings Ltd 11 05/2012
0300311 Callagenix Ltd 11 03/2010
0300313 Magnetic North Software Limited 11 06/2009
0300321 Vodafone Ltd (C&W) 11 03/2007
0300323 In Call Solutions Limited 11 03/2010
0300324 24 Seven Communications Ltd 11 06/2009
0300330 Affiniti Integrated Solutions Ltd 11 03/2007
0300332 TalkTalk Communications Limited 11 03/2010
0300333 TalkTalk Communications Limited 11 03/2007
0300334 QX Telecom Ltd 11 06/2007
0300339 London Central Communications Ltd 11 08/2009
0300343 Vodafone Ltd (Thus) 11 11/2008
0300344 IM Software Ltd 11 05/2009
0300345 Greystone Telecom Limited 11 11/2009
0300365 Telecoms World Plc 11 12/2007
0300369 BT 11 08/2013
0300370 Zestel Limited 11 02/2013
0300373 Aggregated Telecom Ltd 11 03/2009
0300400 Telephony Services Limited 11 03/2007
0300404 Nexbridge Communications Limited 11 01/2012
0300414 Nexus Telecommunications Limited 11 02/2013
0300421 Virgin Media Wholesale Limited 11 05/2012
0300422 Virgin Media Wholesale Limited 11 05/2012
0300423 Virgin Media Wholesale Limited 11 05/2012
0300435 IPV6 Limited 11 01/2009
0300444 Reality Network Services Limited 11 03/2007
0300455 Greystone Telecom Limited 11 05/2010
0300456 OneTel Telecommunications Limited 11 03/2007
0300458 Greystone Telecom Limited 11 05/2010
0300466 Oxygen8 Communications UK Limited 11 07/2009
0300500 Telco Global Networks Limited 11 03/2007
0300555 Virgin Media Wholesale Limited 11 10/2009
0300561 VoiceHost Limited 11 07/2011
0300567 Six Degrees Unified Comms Limited 11 05/2011
0300600 Invomo Ltd 11 01/2008
0300636 Spitfire Network Services Ltd 11 01/2009
0300654 BT 11 08/2013
0300666 Floren Limited 11 05/2007
0300678 Syntec UK Ltd 11 03/2009
0300688 Switch Services Ltd 11 10/2008
0300700 YAC Ltd 11 03/2007
0300748 Greystone Telecom Limited 11 05/2010
0300772 Kalnet4u Ltd 11 11/2011
0300777 Windsor Telecom Plc 11 06/2008
0300788 Broadcast Telecom Ltd 11 02/2012
0300789 Greystone Telecom Limited 11 05/2010
0300790 BT 11 08/2007
0300800 Net-Work Internet Ltd 11 09/2007
0300808 Alphatalk Ltd 11 03/2009
0300888 Skycom Ltd 11 03/2007
0300898 XoverX Ltd 11 05/2013
0300900 Plus Telecom Limited 11 03/2007
0300974 Global Crossing (UK) Ltd 11 01/2009
0300987 Greystone Telecom Limited 11 05/2010
0300998 Cloud Telecom Ltd 11 02/2012
0300999 Windsor Telecom Plc 11 03/2007

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