Côte d'Ivoire Phone Numbers: Format, Area Code & Validation Guide

Quick Reference

• Country: Côte d'Ivoire
• Country Code: +225
• International Prefix: 00
• National Prefix: None
• Number Length: 10 digits

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Overview

This guide offers an in-depth look at the telephone numbering system in Côte d'Ivoire, detailing phone number structures, dialing procedures, and regulatory frameworks. It's an essential resource for telecom professionals, developers, and system administrators involved with Côte d'Ivoire's telecommunications network.

Number Formats

General Structure

Côte d'Ivoire's phone numbers are structured as 10-digit numbers:

• Country Code: +225
• National Number: XZABPQMCDU

Where:

• X: Service type (e.g., 01 for mobile, 21 for fixed-line)
• ZABPQMCDU: Subscriber number

Number Format Table

Service Type	Prefix	Number Format	Example Number
Mobile	01, 05, 07	01XXXXXXXX	0151234567
Fixed-line	21, 25, 27	21XXXXXXXX	2151234567
Emergency	Various	1XX	112
Value-Added Services	Various	3-8 digits	12345678

Regular Expressions

For validation and formatting, use these regular expressions:

• Mobile Numbers: ^0[157]\d{8}$
• Fixed-line Numbers: ^2[1257]\d{8}$
• Emergency Numbers: ^1\d{2}$

Example Numbers

• Mobile: 0151234567
• Fixed-line: 2151234567
• Emergency: 112

Dialing Procedures

Domestic Calls

• Landline to Landline: Dial the 10-digit number directly.
• Landline to Mobile: Dial the 10-digit mobile number directly.
• Mobile to Mobile: Dial the 10-digit mobile number directly.

International Calls

• Outgoing: Dial 00 + <Country Code> + <National Number>. For example, to call France, dial 00 33 XXXXXXXXX.
• Incoming: From abroad, dial +225 followed by the 10-digit national number (e.g., +2250151234567).

Number Portability

Côte d'Ivoire supports mobile number portability, allowing users to keep their numbers when changing operators. This service is available for mobile numbers, with limited information on fixed-line portability.

Major Telecom Operators and Number Ranges

Operator	Service Type	Prefixes
MOOV CI	Mobile	01
MTN CI	Mobile	05
ORANGE CI	Mobile	07
Atlantique Telecom CI	Fixed-line	21
MTN CI	Fixed-line	25
ORANGE CI	Fixed-line	27

Regulatory Authority

The Autorité de Régulation des Communications Électroniques et des Postes (ARCEP) oversees telecommunications in Côte d'Ivoire. For the latest information, visit their official website.

Recent Changes to the Numbering Plan

As of January 31, 2021, Côte d'Ivoire adopted a 10-digit numbering plan to meet the growing demand for phone numbers. This change involved adding a prefix to existing 8-digit numbers.

Number Allocation and Management

ARCEP manages number allocation, ensuring efficient distribution among telecom operators. Number blocks are assigned based on service type and operator requirements.

Technical Restrictions and Special Cases

There are no significant technical restrictions like golden numbers or number blocking in Côte d'Ivoire's numbering plan. However, telecom operators may offer premium services or special number allocations based on commercial agreements.

Technical Considerations

For developers and system administrators working with Côte d'Ivoire's phone numbers, consider the following:

1. Validation: Use the provided regular expressions to accurately validate phone numbers.
2. Formatting: Store phone numbers in a standardized format (e.g., E.164) for international compatibility.
3. Portability: Implement checks for number portability to ensure correct routing of calls and messages.
4. Prefix Handling: Be aware of operator prefixes to route calls and messages efficiently.

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