Every number type in St. Helena with real format examples: how numbers are written domestically, how to dial them from abroad, and the E.164 form your systems should store.
Right now in St. Helena
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Country code
+290
Trunk prefix
none
Intl. call prefix
00
Mobile digits
5
Number formats by type
Examples from the official numbering plan metadata. The E.164 column is the normalized form for databases and APIs.
Type
Domestic (national)
From abroad
E.164
Digits
Landline
22158
+290 22158
+29022158
4,5
Mobile
51234
+290 51234
+29051234
5
VoIP
26212
+290 26212
+29026212
5
How to call St. Helena
From abroad: dial +290 (or your country's exit code, e.g. 00 from Europe, 011 from North America), then the national number. Example: +290 51234
Within St. Helena: dial the number as written domestically. Example: 51234
Calling abroad from St. Helena: the international prefix is 00, or simply use + on mobiles.
Storing numbers in software: always store E.164 (+29051234): unambiguous, sortable, and what SMS and telephony APIs expect.
Exact dial sequence from your country
Pick where you are calling from and get the digit-for-digit sequence for a St. Helena number, with your country's exit code instead of the generic +.
Dial exactly
Frequently Asked Questions
What is the phone number format in St. Helena?
Numbers in St. Helena use country code +290. A mobile number looks like 51234 domestically, or +290 51234 in international format (E.164: +29051234). Mobile numbers have 5 national digits.
How do I call St. Helena from abroad?
Dial your country's international prefix (or +), then 290, then the national number. Example: +290 51234.
What is the country calling code for St. Helena?
The country calling code for St. Helena is +290. To call abroad from St. Helena, the international prefix is 00 (or use +).
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