The following are the telephone codes for Cameroon.
History
On November 21, 2014, numbers were expanded from 8 to 9 digits, by prefixing with 2 or 6.[1]
1 June 2007 - national renumbering to 8 digits, when 7-digit numbers were expanded to eight digits.
September 2004 - new mobile number ranges assigned.
26 October 2001 - national renumbering to 7-digit plan Cameroon's previous 6-digit national numbers were changed to 7 digits on 26 October 2001. There was no indication of a permissive dialling period.
Current calling formats
For calls within Cameroon, use just the 9 digits : 6640xxxxx
For calls from outside the country, add the code for Cameroon : '+237 6640xxxxx
26 October 2001 - national renumbering to 7-digit plan
Cameroon's previous 6-digit national numbers were changed to 7 digits on 26 October 2001. There was no indication of a permissive dialling period.
