How to call a St. Helenian mobile phone from Guyana.
Dial the following international mobile code:
001 + 290 + Mobile Code** + The Number
* Do not dial the plus (+) symbols
** Mobile Code unknown,
contact us if you know the code.
 How to call a St. Helena mobile phone:
001 - Guyana exit code to dial first when calling international
290 - St. Helena country code must be dialed next
Mobile Code** - St. Helena mobile code must be dialed next
001 + 290 + Mobile Code** + Local Number - Overall dialing format
 World Times:
The time in Guyana is now 05:23:59 AM (05:23:59 AM)
The time in St. Helena is now 09:23:59 AM (09:23:59 AM)
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 Tips for calling a cell phone in St. Helena:
- To call a St. Helenian cell phone from a land line, simply follow the mobile country code dialing instructions above to place your call.
- To call a St. Helenian cell phone from your cell phone, you may need to first use the + (plus) sign prior to entering the St. Helena mobile code and telephone number.
- If you are calling St. Helena from your cell phone, you may incur additional charges or fees from your mobile carrier. We recommend trying out a service, such as
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