Telephone numbers in Tuvalu Telephone numbers in Tuvalu Country Code: +688<br> International Call Prefix: 00 The local telephone numbers in Tuvalu are five digits long with no leading trunk zero to be omitted by international callers. The first two digits relate to the Tuvalu island in which is being called. The remaining three digits are for the local number, however when calling within the same island, all five digits must be dialled. Each of the nine atolls (districts) of Tuvalu has a dialing code, apart from Funafuti which has two. 90: Mobile (prepaid) WNP: The mobile network was destroyed in a storm in 2007,
Circuit identification code Circuit identification code The ISDN Services User Part (ISUP) Circuit Identification Code (CIC) is part of the Signaling System #7 which is used to set up telephone calls in Public Switched Telephone Networks. as part of the Initial Address Message (IAM). When a telephone call is set up from one subscriber to another, many telephone exchanges will be involved, possibly across international boundaries. To allow a call to be set up correctly, where ISUP is supported, a switch will signal call-related information like called or calling party number to the next switch in the network using ISUP messages. The CIC