0303 Dialling Code

0303 is a UK-wide dialling code used for Local Call Equivalent telephone numbers.

The correct way to format a number in the 0303 code is:

0303 nnn nnnn (for dialling within the UK)
+44 303 nnn nnnn (for dialling from outside the UK)

Typical call costs to 0303 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 0303

Prefix Telecommunications Provider Number Length Last Change Notes
0303000 Net Solutions Europe Limited 11 03/2007
0303003 Gamma Telecom Holdings Ltd 11 04/2007
0303010 One Network Limited 11 05/2011
0303020 TelXL Ltd 11 04/2007
0303030 Premium O Limited 11 03/2007
0303031 Telecom2 Ltd 11 08/2009
0303033 Callswitch Technologies Limited 11 04/2007
0303040 Magrathea Telecommunications Limited 11 03/2007
0303050 Served Up Limited. 11 10/2008
0303060 Accounts Centre Limited 11 07/2010
0303080 Vodafone Ltd (C&W) 11 03/2013
0303081 Vodafone Ltd (C&W) 11 03/2013
0303082 Vodafone Ltd (C&W) 11 03/2013
0303083 Vodafone Ltd (C&W) 11 08/2013
0303100 i-Net Communications Group Plc 11 07/2008
0303123 BT 11 04/2007
0303132 Teledesign Ltd 11 11/2007
0303141 Atomstream Limited 11 04/2010
0303201 TeleSurf Limited 11 04/2010
0303222 Telecoms World Direct Ltd 11 01/2011
0303232 Business Broadcast Communications Ltd 11 10/2009
0303300 Nexus Telecommunications Limited 11 12/2008
0303303 Windsor Telecom Plc 11 03/2007
0303313 COLT Technology Services 11 03/2007
0303330 Gamma Telecom Holdings Ltd 11 02/2008
0303333 Vodafone Ltd (Thus) 11 04/2007
0303334 Storacall Technology Ltd (Trading As X-ON) 11 11/2009
0303344 Suretec Systems Ltd 11 05/2010
0303366 Edge Telecom Limited 11 03/2007
0303444 Gamma Telecom Holdings Ltd 11 06/2009
0303445 Gamma Telecom Holdings Ltd 11 06/2009
0303666 Invomo Ltd 11 08/2007
0303770 Content Guru Ltd 11 11/2007
0303888 Telecoms World Plc 11 11/2009
0303999 Windsor Telecom Plc 11 07/2007

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