0555 Dialling Code

0555 is a UK-wide dialling code used for Freephone telephone numbers.

The correct way to format a number in the 0555 code is:

0555 nnn nnnn (for dialling within the UK)
+44 555 nnn nnnn (for dialling from outside the UK)

Allocated subsets of numbers in 0555

Prefix Telecommunications Provider Last Change Notes
0555500 FleXtel Limited 10/2004 10 Digit Numbers
0555508 Verizon UK Ltd 12/2004 10 Digit Numbers
0555510 FleXtel Limited 10/2004 10 Digit Numbers
0555537 24 Seven Communications Ltd 07/2010 10 Digit Numbers
0555540 Andrews & Arnold Ltd 10/2006 10 Digit Numbers
0555550 Nationwide Telephone Assistance Ltd 09/2006 10 Digit Numbers
0555555 FleXtel Limited 07/2004 10 Digit Numbers
0555556 Spacetel UK Ltd 09/2011 10 Digit Numbers
0555566 Syntec UK Ltd 12/2004 10 Digit Numbers
0555584 Network Rail Infrastructure Limited 01/2005 10 Digit Numbers
0555586 Network Rail Infrastructure Limited 01/2005 10 Digit Numbers
0555588 Network Rail Infrastructure Limited 01/2005 10 Digit Numbers
0555589 Network Rail Infrastructure Limited 01/2005 10 Digit Numbers
0555593 Network Rail Infrastructure Limited 01/2005 10 Digit Numbers

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