Telephone and Cellphone Number Codes in South Africa: A Complete Guide

Business, Education / September 13, 2025 / Melly Brown

Understanding telephone and cellphone number codes in South Africa is essential for seamless communication, whether you’re a resident, a business owner, or an international caller. This comprehensive guide explores South Africa’s phone number system, including area codes, mobile prefixes, and international dialing formats, to help you navigate the telecom landscape effectively.

Introduction to South Africa’s Phone Number System

South Africa’s telecommunications system is regulated by the Independent Communications Authority of South Africa (ICASA), which oversees the National Numbering Plan Regulations. Phone numbers in South Africa typically consist of 10 digits, except for shortcodes and machine-related numbers used for services like point-of-sale (POS) devices or bulk SMS.

Numbers are categorized into two main types: geographic (for landlines and VoIP) and non-geographic (for mobile and special services). With the rise of number portability and Voice over Internet Protocol (VoIP), the system has evolved, making it crucial to understand the current structure.

This guide covers everything you need to know about South Africa’s phone codes, including how to dial locally and internationally, key area codes, mobile prefixes, and tips for businesses and individuals.

South Africa’s Country Code: +27

The international dialing code for South Africa is +27. When calling from abroad, you replace the leading “0” in a South African phone number with +27. For example, a Johannesburg number like 011 123 4567 becomes +27 11 123 4567 when dialed internationally. Always include the country code to ensure your call is routed correctly.

How to Dial South Africa from Abroad

To call South Africa from another country, follow these steps:

Dial your country’s exit code: For example, 011 in the U.S. or 00 in the UK.
Enter South Africa’s country code: +27.
Add the area code or mobile prefix: For landlines, include the 2-digit area code (e.g., 11 for Johannesburg). For mobile numbers, include the mobile prefix (e.g., 82 for Vodacom).
Dial the local number: This is typically a 7-digit number for landlines or a 7-digit subscriber number for mobiles.

Example: To call a Cape Town landline (021 123 4567) from the U.S., dial 011 +27 21 123 4567. For a mobile number (082 123 4567), dial 011 +27 82 123 4567.

South Africa’s Area Codes for Landlines

South Africa’s landline numbers are geographic, with area codes ranging from 010 to 058. These codes historically indicated the location of the phone line, though number portability has made this less definitive. Below is a list of major area codes for key cities and regions:

011: Johannesburg, Gauteng
012: Pretoria, Gauteng
021: Cape Town, Western Cape
031: Durban, KwaZulu-Natal
041: Port Elizabeth, Eastern Cape
051: Bloemfontein, Free State

For a complete list of area codes, consult resources like Telkom’s official directory or ICASA’s National Numbering Plan. When dialing a landline within South Africa, always include the area code, even for local calls, as the country uses a closed numbering plan since January 16, 2007.

Mobile Number Prefixes in South Africa

Mobile numbers in South Africa are non-geographic and typically start with prefixes in the 060 to 089 range. While certain prefixes were originally tied to specific mobile operators, number portability means a number’s prefix may no longer indicate its current network. Here are some common mobile prefixes and their original operators:

060: Telkom Mobile
071-079: MTN
081: Telkom Mobile
082: Vodacom
083: MTN
084: Cell C
087: VoIP numbers (non-geographic, often used by businesses)

For example, 082 123 4567 was originally a Vodacom number, but it could now belong to any network due to portability. Newer prefixes in the 06 range have been introduced to meet growing demand.

VoIP and Non-Geographic Numbers

The 087 prefix is commonly used for Voice over Internet Protocol (VoIP) numbers, which are non-geographic and ideal for businesses wanting a national presence. Unlike traditional geographic codes like 021 (Cape Town) or 011 (Johannesburg), 087 numbers aren’t tied to a specific location, making them flexible for companies operating across South Africa. VoIP numbers offer benefits like lower call costs and better sound quality, provided you have a stable internet connection.

Other non-geographic numbers include:

080: Toll-free numbers (free for the caller, paid by the recipient).
0860: Shared-cost numbers (caller pays local rates).
0861: Flat-rate numbers (caller pays a fixed rate).
090-098: Premium-rate or machine-related services (e.g., automated systems or POS devices).

Number Portability and Recycling Regulations

Number portability, introduced by ICASA, allows users to keep their phone numbers when switching providers, managed by the Number Portability Company (NPC). This means a number with an 082 prefix (originally Vodacom) could now be on MTN or Cell C. The porting process typically takes 5-7 days.

To address the growing demand for numbers, ICASA has proposed number recycling regulations. A number is considered inactive if it hasn’t been used for 60 days (no revenue-generating activity). Operators must warn subscribers before quarantining the number for 30 days, during which it can be reactivated. ICASA is also exploring options for subscribers to pay to retain inactive numbers.

Tips for Businesses Using South African Phone Numbers

For businesses, choosing the right phone number can enhance credibility and accessibility:

Use an 087 number for a national presence: VoIP-based 087 numbers are ideal for businesses operating across multiple regions, as they aren’t tied to a specific city.
Consider toll-free numbers: An 080 number can attract customers by offering free calls, boosting engagement.
Leverage number portability: Port your existing number to a new provider to maintain brand consistency without losing customers.
Validate numbers for compliance: For developers integrating with South African telecom systems, ensure numbers follow the ITU-T E.164 standard (e.g., +27 82 123 4567) to avoid connection issues.

Common Challenges and Solutions

Incorrect Dialing: Always include the +27 country code for international calls and verify the area code or mobile prefix. A wrong code can misdirect your call.
Number Portability Confusion: Don’t assume a prefix like 082 indicates the current network. Use tools like online directories to confirm.
Inactive Numbers: If you receive a warning about number recycling, reactivate your number within 30 days to avoid losing it.
High International Call Costs: Use apps like WhatsApp, Skype, or services like Rebtel or Toolani for cheaper international calls to South Africa.

How to Validate South African Phone Numbers

For developers or businesses, validating South African phone numbers is crucial for applications or customer databases. A valid South African number:

Starts with +27 for international format or 0 for domestic calls.
Is followed by a 2-digit area code (e.g., 11, 21) for landlines or a 2-3 digit mobile prefix (e.g., 82, 071).
Contains 10 digits total (including the area code or prefix).

Conclusion

Navigating South Africa’s telephone and cellphone number codes is straightforward once you understand the system. From the +27 country code to area codes like 011 and 021, and mobile prefixes like 082 and 087, this guide equips you with the knowledge to dial correctly, whether locally or internationally.

Businesses can leverage 087 VoIP numbers for flexibility, while individuals can use number portability to switch providers seamlessly. Stay informed about ICASA’s regulations to avoid losing inactive numbers, and consider cost-effective calling options like VoIP or messaging apps for international communication.

For more details, check resources like Telkom’s Phone Book, ICASA’s National Numbering Plan, or trusted telecom blogs. Stay connected with ease and make every call count!

Related posts

What Network is 066 in South Africa?

065 Network Provider in South Africa

What network is 071 in South Africa?

What network is 064 in South Africa?