South Sudan Phone Numbers: Format, Area Code & Validation Guide - phone-number-standards -

Frequently Asked Questions

The country code for South Sudan is +211. This code is essential for making international calls to South Sudan and is part of the international E.164 standard.
South Sudan landline numbers follow the format 18X-XXXXXXX, where 18 is the area prefix, X represents a digit 0-9, and the remaining seven digits are the subscriber number. For example, a local number might look like 189-1234567, while the international format would be +211 189 1234567.
You can validate South Sudanese phone numbers using regular expressions. An example regex that covers mobile and landline formats is /^(?:\+211|0)?(?:(18[0-9])|(12[0-9]|9[1257-9][0-9]))[0-9]{7}$/. Remember to test thoroughly with various inputs.
The main mobile operator prefixes are 91X and 92X for Zain, 97X and 98X for MTN, and 95X for Gemtel. The X represents any digit from 0 to 9, allowing for a range of subscriber numbers within each network.
Normalize South Sudan phone numbers to E.164 format by removing non-digit characters and leading zeros, then prepending '+211' if it's not already present. This ensures consistency regardless of user input, simplifying data storage and processing.
South Sudan follows the ITU-T E.164 standard for global interoperability and simplified integration with international systems. This standard ensures consistent phone number formats worldwide, facilitating easier communication between countries.
Handle leading zeros by normalizing the numbers. If the number starts with a 0, remove it. If it doesn't start with +211, add it. This ensures that your application can process both national and international formats correctly.
The NCA regulates telecommunications in South Sudan, ensuring adherence to standards like ITU-T E.164, promoting competition, and fostering the growth of reliable communication services. Their website (https://nca.gov.ss/) provides the latest regulations and updates.
Regularly check the NCA website (https://nca.gov.ss/) for updates on number allocation policies and new operator prefixes, especially when implementing or updating phone number handling in your applications. This proactive approach ensures accurate data handling and compliance.
The emergency services number in South Sudan is 112. Other important numbers include 100 for operator assistance and 999 for police emergencies. These are typically three-digit codes.
Due to limited internet access, especially in rural areas, the reliability of services like SMS verification might be affected. Developers should consider this infrastructure challenge when designing applications for South Sudanese users.
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