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Comprehensive Guide to Åland Islands Phone Numbers
Quick Reference
Country: Åland Islands
Country Code: +358
International Prefix: 00 or 99
National Prefix: 0
Overview
This guide provides an in-depth look at the Åland Islands' telephone numbering system, covering number formats, dialing procedures, and telecom regulations. Essential for telecom professionals, developers, and businesses engaging with the Åland Islands.
Number Formats
General Number Structure
Phone numbers in the Åland Islands are structured based on service type, such as landline, mobile, or toll-free. Below is a typical format breakdown:
Type
Format
Example
Landline
18[1-8]X{3,6}
18118036, 18118636
Mobile
4946X{2,6} or 4[0-8]X{4,8} or 50X{4,8}
494632648, 4050448
Toll-Free
800X{4,6}
800046, 800246
Premium Rate
[67]00X{5,6}
676700156, 6700156
Regular Expressions for Number Validation
Developers can use the following regex patterns to validate Åland Islands phone numbers:
Subscriber Number Length: 4 to 8 digits, varying by service type
Special Prefixes:
Mobile: Start with 4 or 50
Toll-Free: Start with 800
Premium Rate: Start with 600 or 700
Dialing Procedures
Domestic Calls
Landline to Landline: Dial 0 + area code 18 + subscriber number.
Landline to Mobile: Dial 0 + mobile number.
Mobile to Mobile: Dial the mobile number directly.
International Calls
Outgoing: Dial 00 or 99 + country code + area code + subscriber number.
Incoming: Dial +358 + area code 18 + local number (omit leading 0).
Example Dialing Scenarios
Calling from Åland Islands to Sweden: 00 46 XXXXXXXXXX
Calling from Sweden to Åland Islands: +358 18 XXXXXXX
Number Portability
Number portability is available in the Åland Islands, allowing users to keep their mobile numbers when switching operators. For more information, visit the Finnish Transport and Communications Agency (Traficom) website.
Major Telecom Operators and Number Ranges
Operator
Number Range
Service
Ålcom
18XXXX, 4946XXXX
Landline, Mobile
Elisa
50XXXXXX
Mobile
Note: Number ranges may change due to regulatory updates.
ITU-T Standards and Recommendations
The Åland Islands comply with ITU-T E.164 and other international standards, ensuring global consistency in dialing procedures.
Number Allocation and Management
The Finnish Transport and Communications Agency (Traficom) oversees number allocation and management in the Åland Islands, ensuring compliance with ITU standards.
Technical Restrictions and Special Cases
Golden Numbers: Available at a premium through telecom operators.
Number Blocking: Some services, like premium-rate numbers, may be blocked by default.
Technical Considerations for Developers
When integrating Åland Islands phone numbers into systems, consider:
Validation: Use regex patterns for accurate validation.
Normalization: Store numbers in E.164 format (+35818XXXXXX) for consistency.
Portability: Ensure systems can handle number portability, especially for mobile numbers.
For the latest telecom regulations in Åland Islands, visit the Traficom website.