Understanding Phone Numbers in Iran (Islamic Republic of)
Quick Reference Guide
- Country: Iran (Islamic Republic of)
- Country Code: +98
- International Prefix: 00
- National Prefix: 0
Comprehensive Overview
Discover the intricacies of Iran's telephone numbering plan. This guide is essential for telecom professionals, developers, and systems administrators seeking to understand phone number structures, dialing procedures, and technical details.
Numbering Plan Structure
Country Code
- Country Code: +98
Area Codes
Iran employs two- and three-digit area codes for landlines, prefixed with "0" for domestic calls.
- Tehran: 021
- Isfahan: 031
- Tabriz: 041
- Mashhad: 051
- Shiraz: 071
Number Lengths
- Landline Numbers: 10 digits (including area code), e.g.,
021 XXXX XXXX. - Mobile Numbers: 11 digits, e.g.,
09XX XXX XXXX. - MVNO (Mobile Virtual Network Operator): 11 digits, e.g.,
099XX XXX XXX.
Special Prefixes
- Mobile Numbers: Start with
09. - Premium-rate Numbers: Start with
9922(specific to IR-MCI). - Toll-Free Numbers: Not explicitly defined.
Number Format Examples
| Type | Format | Example |
|---|---|---|
| Landline | 0XX XXXX XXXX | 021 1234 5678 |
| Mobile | 09XX XXX XXXX | 0912 345 6789 |
| MVNO | 099XX XXX XXX | 0998 123 4567 |
| Premium | 9922 XXXX | 9922 1234 |
Regular Expressions for Number Validation
- Landline:
^0[1-8]{2}\d{7}$ - Mobile:
^09\d{9}$ - MVNO:
^099\d{8}$ - Premium-rate:
^9922\d{4}$
Dialing Procedures
Domestic Calls
- Landline to Landline: Dial area code + subscriber number. Example:
021 1234 5678. - Landline to Mobile: Directly dial the mobile number, e.g.,
0912 345 6789. - Mobile to Mobile: Directly dial the mobile number, e.g.,
0912 345 6789.
International Calls
- Outgoing: Dial
00+ country code + area code (if applicable) + subscriber number. Example:00 1 555 123 4567. - Incoming: Dial
+98+ area code (without leading 0) + subscriber number. Example:+98 21 1234 5678.
Number Portability
Iran supports mobile number portability, allowing users to switch operators while retaining their numbers. This service is available across major networks.
Major Telecom Operators and Number Ranges
| Operator | HNI Code | Number Ranges |
|---|---|---|
| IR-MCI | 43211 | 0910, 0911, 0912 |
| Espadan | 43219 | 0931 (Isfahan only) |
| MTCE | 43270 | Specific range not provided |
| Iraphone | 43290 | Specific range not provided |
| Taliya | 43232 | 0932 |
| TeleKish | 43214 | 0934 |
| Shatel Mobile | 43208, 43250 | 0998 |
| PH.Lotus | N/A | 0999 |
Number Allocation and Management
The Ministry of Information and Communications Technology (ICT) oversees the allocation and management of phone numbers in Iran, ensuring compliance with ITU-T recommendations, particularly E.164.
Technical Considerations
Number Validation
Use the provided regular expressions for accurate phone number validation in Iran. Consider number portability, where numbers retain their format despite carrier changes.
International Compliance
Ensure systems handling Iranian phone numbers comply with ITU-T E.164 standards, dictating international phone number formats.
Special Cases
- Golden Numbers: While not detailed here, these desirable numbers may have special allocation rules.
- Number Blocking: Systems should accommodate blocked or restricted numbers as per regulations.
For the latest telecommunications regulations in Iran, visit the official ICT website.