Phone Numbers in Chad: Formats and Dialing Rules
Quick Reference
- Country: Chad
- Country Code: +235
- International Prefix: 00 | 16
- National Prefix: None
Overview
Discover the telephone numbering plan in Chad with this comprehensive guide. Learn about the structure of phone numbers, dialing procedures, and regulatory details essential for telecom professionals, developers, and system administrators.
Number Structure
Chad's phone numbers consist of a fixed 8-digit format. Here's the breakdown:
- Country Code: +235
- Subscriber Number: 8 digits, with prefixes indicating service types (e.g., mobile, landline).
Number Format Breakdown
Type | Prefix | Number Length | Example |
---|---|---|---|
Landline | 22 | 8 digits | 22345678 |
Mobile | 6X, 7X, 9X | 8 digits | 66123456 |
Special Services | 11, 12, 13, 14 | 3-6 digits | 112 (Emergency) |
Regular Expressions
Use these regular expressions to validate Chad phone numbers:
- Landline:
^22\d{6}$
- Mobile:
^[679]\d{7}$
- Special Services:
^1[1-4]\d{1,4}$
Dialing Procedures
Domestic Calls
- Landline to Landline: Dial the 8-digit subscriber number directly.
- Landline to Mobile: Dial the 8-digit mobile number directly.
- Mobile to Mobile: Dial the 8-digit mobile number directly.
International Calls
- Outgoing: Dial the international prefix (00 or 16), followed by the destination country code, area code (if applicable), and the subscriber number. For example, to call France, dial
00 33 XXXXXXXXX
. - Incoming: Callers from abroad should dial +235 followed by the 8-digit subscriber number.
Number Portability
Currently, Chad does not support mobile number portability. Subscribers cannot retain their phone numbers when switching providers.
Major Telecom Operators and Number Ranges
Chad's telecom market features several operators with specific number ranges:
Operator | Service Type | Number Range |
---|---|---|
Airtel Chad | Mobile | 66XXXXXX, 77XXXXXX |
Tigo Chad | Mobile | 99XXXXXX |
Sotel Tchad | Landline | 22XXXXXX |
Regulatory Authority
The Autorité de Régulation des Communications Électroniques et des Postes (ARCEP) regulates Chad's telecommunications sector. For the latest information on numbering plans and regulations, visit the official ARCEP website.
Number Allocation and Management
Number allocation in Chad is managed by ARCEP, adhering to ITU-T recommendations. Numbers are allocated in blocks based on service type and geographic needs.
Technical Considerations
For Developers and Systems Administrators
- Validation: Use the provided regular expressions for phone number validation in Chad.
- Formatting: Ensure international numbers include
+235
for storage and transmission. - Dialing Rules: Implement logic for both domestic and international dialing, noting the absence of a national prefix.
- Special Cases: Recognize reserved ranges for special services like emergency numbers.
For the most current telecommunications regulations in Chad, consult the ARCEP website.