Telephone numbers in Malaysia are regulated by the Malaysian Communications and Multimedia Commission (MCMC). Landline telephone numbers consists of an area code of 1 to 2 digits (excluding the leading zero) followed by a 6 to 8-digit subscriber number. Mobile phone numbers consists of a mobile phone code of 2 digits followed by a 7 to 8-digit subscriber number. Mobile phone codes are originally assigned to specific mobile network operators, however with mobile number portability, a mobile phone number might no longer be associated with its original assigned operator.