Telephone numbers in Ascension Island

Country Code: +247<br>International Call Prefix: 00
Ascension Island does not share the same country code (+290) with the rest of St Helena.
Calling formats.
To call in Ascension Island, the following format is used:
yxxxx Calls inside Ascension Island
+247 yxxxx Calls from outside Ascension Island
Ascension Island numbering plan.
According to ITU Communication of 08.V.2015, Sure South Atlantic Limited, Jamestown, announced the following update to the numbering plan for Ascension.
The length of geographical numbers increased from four (4) to five (5) digits and prefixed with the number "6".
The 4XXXX range reserved for mobile services.
The change to five-digit numbering to be implemented on 1 June 2015. 
1: New 5-digit numbering
2: 6-digit numbering