Comprehensive Guide to Phone Numbers in Svalbard and Jan Mayen
Quick Reference
- Country: Svalbard and Jan Mayen
- Country Code: +47
- International Prefix: 00
- National Prefix: None
Overview
This guide offers an in-depth look at the telephone numbering plan in Svalbard and Jan Mayen, detailing number structures, dialing procedures, and regulatory aspects. It's an essential resource for telecom professionals, developers, and systems administrators working with phone numbers in this region.
Number Structure
General Number Format
Svalbard and Jan Mayen share the same numbering plan as mainland Norway, utilizing the country code +47. The phone numbers are structured as follows:
- Country Code: +47
- Subscriber Number: 8 digits
The general format is:
+47 XXXXXXXXX
Number Types and Formats
Type | Format | Example | Description |
---|---|---|---|
Geographic Numbers | 79XXXXXX | 79012345 | Landline numbers, primarily used in Svalbard. |
Mobile Numbers | 4[015-8]XXXXXX | 48123456 | Mobile numbers starting with 4. |
Toll-Free Numbers | 800[1-9]XXXXX | 80012345 | Toll-free services. |
Premium Rate | 82[09]XXXXX | 82012345 | Premium rate services with higher charges. |
Shared Cost | 810[0-6]XXXXX | 81012345 | Numbers where the cost is shared between caller and recipient. |
Regular Expressions
For validation and pattern matching, use these regular expressions:
- Geographic Numbers:
^79\d{6}$
- Mobile Numbers:
^4[015-8]\d{6}$
- Toll-Free Numbers:
^800[1-9]\d{5}$
- Premium Rate Numbers:
^82[09]\d{5}$
- Shared Cost Numbers:
^810[0-6]\d{5}$
Dialing Procedures
Domestic Calls
- Landline to Landline: Simply dial the 8-digit subscriber number (e.g., 79012345).
- Landline to Mobile: Dial the 8-digit mobile number (e.g., 48123456).
- Mobile to Mobile: Dial the 8-digit mobile number (e.g., 48123456).
International Calls
- Outgoing: Dial
00
, followed by the country code, area code, and subscriber number (e.g., 00 44 20 7123 4567 for a call to London, UK). - Incoming: Callers from abroad should dial
+47
followed by the 8-digit local number (e.g., +47 79012345).
Number Portability
Currently, number portability is not available in Svalbard and Jan Mayen, meaning users cannot retain their phone numbers when switching telecom operators.
Regulatory and Management Information
Regulatory Authority
The Norwegian Communications Authority (Nkom) regulates telecommunications in Svalbard and Jan Mayen. For the latest updates, visit their official website.
Number Allocation and Management
Nkom manages number allocation, ensuring efficient distribution in line with ITU-T E.164 standards.
ITU-T Recommendations
Svalbard and Jan Mayen adhere to the ITU-T E.164 standard, governing international telecommunication numbering. The country code +47 is assigned under this standard.
Technical Considerations for Developers
When developing applications or systems that handle phone numbers from Svalbard and Jan Mayen, consider the following:
- Validation: Use the provided regular expressions to validate phone numbers.
- Formatting: Ensure phone numbers are stored and displayed in the international format (
+47 XXXXXXXXX
). - Dialing Logic: Implement logic to handle both domestic and international dialing formats.
- Number Portability: Note that number portability is not supported, so number ownership is tied to the original operator.
For the most current telecommunications regulations in Svalbard and Jan Mayen, please refer to the Norwegian Communications Authority (Nkom) at nkom.no.
Conclusion
Svalbard and Jan Mayen follow a straightforward numbering plan under the Norwegian system, with an 8-digit subscriber number format. Understanding the specific number formats, dialing rules, and regulatory environment is essential for anyone working with telecommunications in this region.
This guide provides the essential technical details and considerations necessary for effective handling of Svalbard and Jan Mayen phone numbers.