0566 Dialling Code

0566 is a UK-wide dialling code used for Freephone telephone numbers.

The correct way to format a number in the 0566 code is:

0566 nnn nnnn (for dialling within the UK)
+44 566 nnn nnnn (for dialling from outside the UK)

Allocated subsets of numbers in 0566

Prefix Telecommunications Provider Last Change Notes

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