What is the country code for Sudan?

The country code for Sudan is +249.

How are mobile numbers structured in Sudan?

Mobile numbers in Sudan typically start with a '1' or '9' and consist of 9 to 10 digits. The structure includes a 2 to 3-digit network code followed by a 7-digit subscriber number. For example, a mobile number could be 0912345678 or 9123456789.

What are the dialing procedures for international calls to Sudan?

To dial an international call to Sudan, you should use the format +249 followed by the local number without the leading '0'. For example, to reach a Sudanese mobile number 0912345678 from abroad, you would dial +249912345678.

Which telecom operators serve Sudan, and what are their number ranges?

The major telecom operators in Sudan include Sudatel (091xxxxxxx), Zain Sudan (092xxxxxxx), MTN Sudan (099xxxxxxx), and Canar Telecom for landlines (015xxxxxxx). Each operator has specific number ranges assigned to them.

What is the country code for Sudan?

The country code for Sudan is +249.

How many digits are in a typical Sudanese phone number?

A typical Sudanese phone number has 9 to 10 digits.

Can I keep my number if I switch mobile operators in Sudan?

No, Sudan does not currently support mobile number portability.

What is the format for Sudanese mobile numbers?

Sudanese mobile numbers can be in the format `1[0-2][0-9]{7}` or `9[0-3569][0-9]{7}`.

How do I dial a landline number within Sudan?

To dial a landline number within Sudan, include the full number with the area code, e.g., `01587345678`.

What is the international dialing prefix for Sudan?

The international dialing prefix for Sudan is 00.

How do I call a Sudanese number from abroad?

To call a Sudanese number from abroad, dial +249 followed by the local number without the leading 0.

What is the regulatory authority for telecommunications in Sudan?

The regulatory authority for telecommunications in Sudan is the National Telecommunications Corporation (NTC).

What are the number ranges for major telecom operators in Sudan?

Sudatel uses `091xxxxxxx`, Zain Sudan uses `092xxxxxxx`, MTN Sudan uses `099xxxxxxx`, and Canar Telecom uses `015xxxxxxx` for landlines.

What is ITU-T Recommendation E.164?

ITU-T Recommendation E.164 is a standard that ensures global uniqueness and dialability of phone numbers.

Are there any special number formats for toll-free numbers in Sudan?

Yes, toll-free numbers in Sudan have the format `800[0-9]{6}`.

Is there a national prefix for dialing within Sudan?

Yes, the national prefix for dialing within Sudan is 0.

What regex pattern can be used to validate Sudanese mobile numbers?

The regex pattern for validating Sudanese mobile numbers is `^1[0-2][0-9]{7}$|^9[0-3569][0-9]{7}$`.

How are premium numbers formatted in Sudan?

Premium numbers in Sudan are formatted as `900[0-9]{6}`.

What is the dialing procedure for making international calls from Sudan?

To make international calls from Sudan, dial 00 followed by the country code, area code, and the local number.

Does Sudan have a policy for golden numbers?

No, Sudan does not have a formal policy for premium or "golden" numbers.

Is there a specific format for Sudanese landline numbers?

Yes, Sudanese landline numbers are formatted as `1[58][35-7][0-9]{6}`.

How should developers format Sudanese numbers for consistency?

Developers should store Sudanese numbers in E.164 format for consistency.

What is the role of the National Telecommunications Corporation (NTC)?

The NTC manages the allocation of phone numbers and adheres to national and international standards.

How can I validate a general Sudanese phone number?

You can validate a general Sudanese phone number using the regex pattern `^1[0-9]{8}$`.

Comprehensive Guide to Phone Numbers in Sudan

Q: Does Sudan support mobile number portability?

No, Sudan currently does not support mobile number portability, meaning subscribers cannot retain their phone numbers when switching between mobile operators.

Quick Reference

Country: Sudan
Country Code: +249
International Prefix: 00
National Prefix: 0
Regulatory Authority: National Telecommunications Corporation (NTC)

Overview

Discover the intricacies of Sudan's telephone numbering plan, including number structures, dialing procedures, and technical considerations. This guide is essential for telecom professionals, developers, and anyone involved in Sudanese telecommunications.

Telephone Numbering Structure

General Number Structure

Sudan's telephone numbers are standardized by the National Telecommunications Corporation (NTC). The structure includes:

Country Code: +249
National (Significant) Number: 9 to 10 digits
- Area Code/Network Code: 2 to 3 digits
- Subscriber Number: 6 to 7 digits

Number Formats

Number Type	Format	Example
General Numbers	`1[0-9]{8}`	1912345678
Landline Numbers	`1[58][35-7][0-9]{6}`	1583456789
Mobile Numbers	`1[0-2][0-9]{7}` `9[0-3569][0-9]{7}`	1201234567 9123456789
Toll-Free Numbers	`800[0-9]{6}`	800123456
Premium Numbers	`900[0-9]{6}`	900123456

Regular Expressions for Number Validation

General Numbers:
```
^1[0-9]{8}$
```
Landline Numbers:
```
^1[58][35-7][0-9]{6}$
```
Mobile Numbers:
```
^1[0-2][0-9]{7}$|^9[0-3569][0-9]{7}$
```
Toll-Free Numbers:
```
^800[0-9]{6}$
```
Premium Numbers:
```
^900[0-9]{6}$
```

Dialing Procedures

Domestic Calls

Landline to Landline: Dial the full number including the area code (e.g., 01587345678).
Landline to Mobile: Dial the mobile number directly (e.g., 0912345678).
Mobile to Mobile: Dial the mobile number directly (e.g., 0912345678).

International Calls

Outgoing from Sudan: Dial 00 followed by the country code, area code, and the local number (e.g., 00244123456789).
Incoming to Sudan: Dial +249 followed by the local number without the leading 0 (e.g., +249912345678).

Number Portability

Currently, Sudan does not support mobile number portability, meaning subscribers cannot retain their numbers when changing mobile operators.

Major Telecom Operators and Number Ranges

Operator	Number Range
Sudatel	`091xxxxxxx`
Zain Sudan	`092xxxxxxx`
MTN Sudan	`099xxxxxxx`
Canar Telecom	`015xxxxxxx` (Landline)

ITU-T Recommendations

Sudan's numbering plan complies with ITU-T Recommendation E.164, ensuring global uniqueness and dialability.

Number Allocation and Management

The National Telecommunications Corporation (NTC) manages the allocation of phone numbers, adhering to both national and international standards.

Technical Restrictions and Special Cases

Golden Numbers: No formal policy for premium or "golden" numbers exists.
Number Blocking: Certain numbers may be reserved for specific services, such as emergency or government use.

Technical Considerations for Developers

Key Points

Validation: Use the provided regex patterns to validate numbers.
Formatting: Store numbers in E.164 format for consistency.
Internationalization: Understand dialing procedures for international calls.
Number Length: Be aware of the 9 to 10 digit variability.

For the latest updates on telecommunications regulations and numbering plans in Sudan, visit the National Telecommunications Corporation (NTC) website.