What is the country code for Saint Helena, Ascension, and Tristan da Cunha?

The country code for Saint Helena, Ascension, and Tristan da Cunha is +290.

How are landline and mobile numbers structured in Saint Helena, Ascension, and Tristan da Cunha?

Landline numbers follow the format 2[0-57-9]XXXX, while mobile numbers are structured as 5XXXX or 6XXXX. Special services use the format 8XXXX.

What are the dialing procedures for making international calls from Saint Helena, Ascension, and Tristan da Cunha?

To make an international call from Saint Helena, Ascension, and Tristan da Cunha, dial the international prefix 00, followed by the country code, area code (if applicable), and the subscriber number.

Is number portability supported in Saint Helena, Ascension, and Tristan da Cunha?

No, number portability is not supported in Saint Helena, Ascension, and Tristan da Cunha. Subscribers cannot retain their phone numbers when switching between different service providers.

Which telecom operator manages the majority of phone numbers in Saint Helena, Ascension, and Tristan da Cunha?

Sure South Atlantic is the major telecom operator in Saint Helena, Ascension, and Tristan da Cunha, managing both landline numbers (2XXXX) and mobile numbers (5XXXX, 6XXXX).

What is the country code for Saint Helena, Ascension, and Tristan da Cunha?

The country code for Saint Helena, Ascension, and Tristan da Cunha is +290.

How do I make an international call from Saint Helena?

To make an international call from Saint Helena, dial '00', followed by the country code, the area code, and the subscriber number.

Are there any recent changes to the phone numbering plan in Saint Helena?

No, there are currently no recent or planned changes to the phone numbering plan in these territories.

Can I keep my phone number if I switch providers in Saint Helena?

No, Saint Helena, Ascension, and Tristan da Cunha do not support number portability. You must change numbers when switching providers.

Which telecom operator provides mobile services in Saint Helena?

Sure South Atlantic provides mobile services in Saint Helena, with number ranges 5XXXX and 6XXXX.

What is the format for landline numbers in Saint Helena?

Landline numbers in Saint Helena follow the format 2[0-57-9]XXXX, such as 2201234.

How can I validate a landline number in Saint Helena?

You can validate a landline number in Saint Helena using the regex: /^2[0-57-9]\d{4}$/.

What is the dialing procedure for a mobile to mobile call in Saint Helena?

For a mobile to mobile call in Saint Helena, you simply dial the 5-digit mobile number directly.

What is the international prefix for dialing out from Saint Helena?

The international prefix for dialing out from Saint Helena is '00'.

What is the format for mobile numbers in Saint Helena?

Mobile numbers in Saint Helena have the format [5-6]XXXX, for example, 51234.

What is the regulatory authority for telecommunications in Saint Helena?

The regulatory authority is the Saint Helena Government Communications Division.

How do I call a landline in Saint Helena from abroad?

To call a landline in Saint Helena from abroad, dial '+290' followed by the 5-digit local number.

What is the ITU-T Recommendation for phone number formats?

The phone number formats comply with ITU-T Recommendation E.164.

Are there any special services numbers in Saint Helena?

Yes, special services numbers in Saint Helena have the format 8XXXX.

How can developers ensure correct phone number validation in Saint Helena?

Developers should use the provided regular expressions for accurate phone number validation.

What should developers consider regarding number portability in Saint Helena?

Developers should account for static number allocations as number portability is not supported.

What is the dialing procedure from a landline to a mobile in Saint Helena?

For a landline to mobile call in Saint Helena, dial the 5-digit mobile number directly.

Which operator provides landline services in Saint Helena?

Sure South Atlantic provides landline services in Saint Helena with the number range 2XXXX.

Where can I find the latest telecommunications regulations for Saint Helena?

You can find the latest telecommunications regulations on the Saint Helena Government Communications Division website.

Phone Numbers in Saint Helena, Ascension, and Tristan da Cunha

Quick Reference

Country: Saint Helena, Ascension, and Tristan da Cunha
Country Code: +290
International Prefix: 00
National Prefix: None
Regulatory Authority: Saint Helena Government Communications Division

Overview

This guide provides a comprehensive overview of the telephone numbering system in Saint Helena, Ascension, and Tristan da Cunha. It details phone number structures, dialing procedures, and regulatory guidelines, making it a valuable resource for telecom professionals and businesses.

Number Formats

General Number Structure

Phone numbers in these territories have a consistent format, differing slightly between landline and mobile services:

Type	Format	Example
Landline	`2[0-57-9]XXXX`	2201234
Mobile	`[5-6]XXXX`	51234
Special Services	`8XXXX`	81234

Regular Expressions for Number Validation

Use these regular expressions to validate phone numbers:

Landline Numbers:
```
/^2[0-57-9]\d{4}$/
```
Mobile Numbers:
```
/^[5-6]\d{4}$/
```
Special Services:
```
/^8\d{4}$/
```

Dialing Procedures

Domestic Dialing

Landline to Landline: Dial the 5-digit number directly.
Landline to Mobile: Dial the 5-digit number directly.
Mobile to Mobile: Dial the 5-digit number directly.

International Dialing

Outgoing International Calls:
Dial 00, followed by the country code, area code, and subscriber number.
Example: To call the UK, dial 00 44 XXXXXXXXXX.
Incoming International Calls:
Dial +290, followed by the 5-digit local number.
Example: From the UK to Saint Helena, dial +290 2201234.

Recent and Upcoming Changes

Currently, there are no recent or planned changes to the numbering plan in these territories. The system remains stable as per the regulatory authority.

Number Portability

Saint Helena, Ascension, and Tristan da Cunha do not support number portability. Subscribers must change numbers when switching providers.

Major Telecom Operators

Operator	Service Type	Number Ranges
Sure South Atlantic	Landline	2XXXX
Sure South Atlantic	Mobile	5XXXX, 6XXXX

ITU-T Recommendations

The numbering plan complies with ITU-T Recommendation E.164, ensuring global consistency in phone number formats.

Number Allocation and Management

The Saint Helena Government Communications Division manages number allocations, ensuring adherence to ITU-T standards.

Technical Considerations for Developers

Developers should consider the following:

Validation: Use provided regex for accurate validation.
Formatting: Store and display numbers correctly, including the country code.
Dialing Logic: Implement correct dialing procedures for calls.
No Number Portability: Systems must account for static number allocations.

For the latest telecommunications regulations, visit the Saint Helena Government Communications Division.

Phone Validator