Country Code: +247
International Call Prefix: 00
Ascension Island does not share the same country code (+290) with the rest of St Helena.
To call in Ascension Island, the following format is used:
yxxxx Calls inside Ascension Island
+247 yxxxx Calls from outside Ascension Island
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.
| Numbering plan (effective from 1 June 2015)[1] | ||
|---|---|---|
| Area | Format of New Subscriber Number | Remarks |
| 1XXXXX 2 | Non-geographic | |
| 4XXXX 1 | Mobile services | |
| US Base | 62XXX 1 | Geographic |
| Travellers Hill & Airhead | 63XXX 1 | Geographic |
| Two Boats | 64XXX 1 | Geographic |
| 50XXXX-59XXXX | Non-geographic | |
| Georgetown | 66XXX 1 | Geographic |
| Georgetown | 67XXX 1 | Geographic |
| 8XXXXX 2 | Non–geographic | |
| 9XXXXX 2 | Non-geographic | |
| 0XXXXX 2 | Non-geographic | |
1: New 5-digit numbering
2: 6-digit numbering
| Numbering plan (before 1 June 2015) | ||
|---|---|---|
| Format of subscriber number | Area | Remarks |
| 10XX - 19XX | Georgetown | Operator Services |
| 50XX - 59XX | Special Services | |
| 60XX - 69XX | Telephone Services | |
| 70XX - 79XX | Spare | |
| 80XX - 89XX | Special Services | |
| 90XX - 99XX | Special Services | |
| 30XX - 35XX | Travellers Hill | Telephone Services |
| 36XX - 39XX | Spare | |
| 40XX - 43XX | Two Boats | Special Services |
| 44XX - 46XX | Telephone Services | |
| 47XX - 49XX | Special Services | |
| 20XX - 29XX | U.S. Base | Telephone Services |