What is the country code for Austria?

The country code for Austria is +43.

How are mobile numbers structured in Austria?

Mobile numbers in Austria typically start with the prefix 06, followed by a 4-10 digit subscriber number. For example, a typical mobile number might look like 0664 123 4567.

What are the dialing procedures for international calls to Austria?

To call Austria from abroad, dial the international access code (e.g., 00 or +), followed by Austria's country code (+43), the area code without the leading 0, and then the subscriber number. For example, to call Vienna: +43 1 234 5678.

Is number portability available in Austria?

Yes, Austria supports number portability across all major telecom operators, allowing subscribers to retain their phone numbers when switching providers. Number portability is available for both fixed-line and mobile numbers.

Which major telecom operators are active in Austria, and what are their number ranges?

The major telecom operators in Austria include A1 Telekom Austria (prefixes 0664, 0650), Magenta Telekom (prefixes 0676, 0699), and Drei (Hutchison) (prefixes 0660, 0680). Each operator has specific number ranges allocated to them.

What is the country code for Austria?

The country code for Austria is +43.

How do I make an international call from Austria?

To make an international call from Austria, dial the international prefix (00), followed by the country code, area code, and subscriber number.

What is the format of a geographic phone number in Austria?

Austrian geographic numbers have an area code of 1-4 digits and a subscriber number of 4-12 digits.

What prefix do Austrian mobile numbers typically start with?

Austrian mobile numbers typically start with 06, followed by 4-10 digit subscriber numbers.

How are toll-free numbers formatted in Austria?

Toll-free numbers in Austria start with 0800 and are 10-12 digits in length.

What are premium rate numbers in Austria?

Premium rate numbers in Austria start with prefixes like 0900, 0903, etc., and are 10-12 digits long.

Can I keep my Austrian phone number if I switch providers?

Yes, Austria supports number portability, allowing you to retain your phone number when switching providers.

Who regulates Austria's telephone numbering system?

The Rundfunk und Telekom Regulierungs-GmbH (RTR) regulates Austria's telephone numbering system.

What is the international dialing prefix for Austria?

The international dialing prefix for Austria is 00.

What is the national prefix for dialing within Austria?

The national prefix for dialing within Austria is 0.

What is a shared cost number in Austria?

Shared cost numbers in Austria start with 0810 and are 10-12 digits in length.

What are the major telecom operators in Austria?

Major telecom operators in Austria include A1 Telekom Austria, Magenta Telekom, and Drei (Hutchison).

What is a golden number in Austria?

Golden numbers are easily memorable numbers offered by some operators for a premium.

How are Austrian phone numbers validated using regular expressions?

Austrian phone numbers can be validated using specific regex patterns for different types of numbers, such as geographic, mobile, and toll-free numbers.

What is the format for calling a landline from another landline in Austria?

To call a landline from another landline in Austria, dial the full number including the area code (e.g., 0316 123 456).

How do I call a mobile number from a landline in Austria?

To call a mobile number from a landline in Austria, dial the mobile number directly (e.g., 0664 123 4567).

What prefix do you use to call a shared cost service in Austria?

Shared cost services in Austria use the prefix 0810.

What is the ITU-T E.164 standard?

The ITU-T E.164 is a standard for international telephone numbering that ensures phone numbers are structured to a maximum of 15 digits, including the country code.

Where can I find more information on Austria's telecommunications regulations?

For more information on Austria's telecommunications regulations, you can visit the official website of the national telecommunications authority, RTR, at https://www.rtr.at.

Austria Phone Numbers: Format, Area Code & Validation Guide

Quick Reference Guide

Country: Austria
Country Code: +43
International Prefix: 00
National Prefix: 0
Regulatory Authority: Rundfunk und Telekom Regulierungs-GmbH (RTR)

Overview of Austria's Telephone Numbering Plan

Austria's telephone numbering system is meticulously organized to facilitate both domestic and international communication. This guide delves into the structure of phone numbers, dialing procedures, number portability, and regulatory standards, providing essential insights for telecom professionals, developers, and businesses.

Numbering Plan Structure

General Number Structure

Austrian phone numbers follow a specific format:

Country Code: +43
National (Significant) Number: Comprises an area or service code and a subscriber number.
- Area/Service Code: 1-4 digits
- Subscriber Number: 4-12 digits

Number Format Breakdown

Type of Number	Format Example	Regex Pattern	Description
Geographic Numbers	01 234 5678	`^0[1-9]\d{3,11}$`	Geographic numbers with area codes ranging from 1 to 4 digits.
Mobile Numbers	0664 123 4567	`^06[56789]\d{4,10}$`	Mobile numbers typically start with 06, followed by 4-10 digit subscriber numbers.
Toll-Free Numbers	0800 123 456	`^0800\d{6,10}$`	Toll-free numbers start with 0800 and are 10-12 digits in length.
Premium Rate	0900 123 4567	`^09[0369]\d{6,10}$`	Premium rate numbers start with 0900, 0903, etc., and are 10-12 digits.
Shared Cost	0810 123 456	`^0810\d{6,10}$`	Shared cost numbers start with 0810 and are 10-12 digits in length.

Number Format Examples

Geographic Numbers

Area Code	Example Number	Description
01	01 234 5678	Vienna
0316	0316 123 456	Graz
0463	0463 123 4567	Klagenfurt

Mobile Numbers

Prefix	Example Number	Description
0664	0664 123 4567	A1 Telekom Austria
0699	0699 123 4567	Magenta Telekom

Toll-Free Numbers

Prefix	Example Number	Description
0800	0800 123 456	Toll-Free Service

Premium Rate Numbers

Prefix	Example Number	Description
0900	0900 123 4567	Premium Rate Service

Shared Cost Numbers

Prefix	Example Number	Description
0810	0810 123 456	Shared Cost Service

Dialing Procedures

Domestic Calls

Landline to Landline: Dial the full number, including the area code (e.g., 0316 123 456).
Landline to Mobile: Dial the mobile number directly (e.g., 0664 123 4567).
Mobile to Mobile: Dial the mobile number directly (e.g., 0699 123 4567).

International Calls

Outgoing: Dial the international prefix (00), followed by the country code, area code, and subscriber number. For example, to call a number in Germany: 00 49 30 1234567.
Incoming: Callers from abroad should dial +43 followed by the area code (without the leading 0) and the subscriber number. For example, to call Vienna from abroad: +43 1 234 5678.

Number Portability

Austria supports number portability across all major telecom operators, enabling subscribers to retain their numbers when switching providers. Introduced in 2004 for fixed-line numbers and in 2007 for mobile numbers, this follows the European Union's regulatory framework.

Major Telecom Operators and Number Ranges

Operator	Prefixes	Description
A1 Telekom Austria	0664, 0650	Largest operator, offering mobile and fixed-line services.
Magenta Telekom	0676, 0699	Major mobile and internet service provider.
Drei (Hutchison)	0660, 0680	Mobile network operator.
Telekom Austria	05	Fixed-line services.

ITU-T Recommendations

Austria adheres to the ITU-T E.164 standard for international telephone numbering, ensuring all phone numbers are structured to a maximum of 15 digits, including the country code.

Number Allocation and Management

The Austrian telecommunications numbering plan is managed by the Rundfunk und Telekom Regulierungs-GmbH (RTR). The RTR oversees number range allocation, compliance with standards, and number portability management.

Technical Considerations

Regular Expressions for Validation

Here are some example regular expressions for validating Austrian phone numbers:

// Geographic Numbers
/^0[1-9]\d{3,11}$/

// Mobile Numbers
/^06[56789]\d{4,10}$/

// Toll-Free Numbers
/^0800\d{6,10}$/

// Premium Rate Numbers
/^09[0369]\d{6,10}$/

// Shared Cost Numbers
/^0810\d{6,10}$/

Special Cases

Golden Numbers: Some operators offer "golden numbers" (easily memorable numbers) for a premium.
Number Blocking: Generally managed at the operator level, based on service agreements with customers.

For the most up-to-date information on Austria's telecommunications regulations and numbering plan, please consult the official website of the national telecommunications authority, RTR.

Conclusion

Austria's telephone numbering system is well-structured and adheres to international standards, ensuring reliability for both domestic and international communication. Understanding these technical details is crucial for telecom professionals and businesses operating in or with Austria.

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