Africa • West Africa • Country Calling Code • ISO 3166-1
Mauritania Country Code: +222
Use +222 to call Mauritania internationally. The national numbering plan uses 8-digit numbers and no trunk prefix. This page covers dialing rules, mobile operator prefix ranges, selected fixed-line blocks, and live local time in Nouakchott (Africa/Nouakchott, GMT/UTC+0).
Nouakchott local time (live)
Time zone: Africa/Nouakchott • UTC+0 • No DST
Capital: Nouakchott • Currency: MRU • Language: Arabic (official)
Calling code
Use +222 for Mauritania.
ISO 3166-1
Useful for shipping, billing, and APIs.
Internet TLD
Mauritania country-code top-level domain.
Dialing basics
On this page
Related tools
Quick tip
Store Mauritania contacts in E.164 format: +222 + 8 digits. Example formatting: +222 4512 3456.
Mauritania quick facts
Key identifiers for dialing, documentation, and systems.
| Country | Mauritania |
| Capital | Nouakchott |
| Calling code | +222 |
| International prefix | 00 |
| Trunk prefix | None |
| ISO codes | MR (alpha-2), MRT (alpha-3), 478 (numeric) |
| Internet TLD | .mr |
| Time zone | Africa/Nouakchott (GMT / UTC+0, no DST) |
| Local length | 8 digits |
| Common intl. format | +222 xxxx xxxx |
How to call Mauritania
International calls follow: Exit code + 222 + 8-digit number.
Step-by-step
- Dial your international exit code (examples below).
- Dial 222 (Mauritania country code).
- Dial the 8-digit number (no leading 0).
Common exit codes
| From | Exit code |
|---|---|
| United States / Canada | 011 |
| United Kingdom | 00 |
| EU (most countries) | 00 |
| Australia | 0011 |
| India | 00 |
Build a dialing string
Choose where you’re calling from, then paste a Mauritania number. Spaces and symbols are OK.
Mauritania phone number format
A common presentation is +222 xxxx xxxx (8 digits after the country code).
Examples (formatting)
| Type (typical) | Local number | International format |
|---|---|---|
| Nouakchott fixed line (example) | 4512 3456 | +222 4512 3456 |
| Mobile (operator block example) | 2012 3456 | +222 2012 3456 |
| Mobile (operator block example) | 4012 3456 | +222 4012 3456 |
Calling out from Mauritania
Use the international prefix 00:
Mobile prefixes & common blocks in Mauritania
Mauritania mobile numbers commonly start with a 2x, 3x, or 4x operator prefix range. Use the search box to filter the table.
Prefix table (high-signal ranges)
Filter by prefix, city, operator, or notes.
| Prefix / range | Typical length | Usage / notes |
|---|---|---|
| 20–29 | 8 | Mobile operator block (Chinguitel) |
| 30–39 | 8 | Mobile operator block (Mattel) |
| 40–49 | 8 | Mobile operator block (Mauritel) |
| 45 | 8 | Nouakchott (fixed line block) |
| 250 | 8 | Fixed line block (allocation list) |
| 258 | 8 | Fixed line block (allocation list) |
| 4574 | 8 | Nouadhibou (allocation list) |
| 4546 | 8 | Atar (allocation list) |
| 4544 | 8 | Zouérat (allocation list) |
| 4563 | 8 | Kiffa (allocation list) |
| 4569 | 8 | Rosso / Tidjikja (allocation list) |
Mauritania time zone
Nouakchott commonly uses Africa/Nouakchott (GMT / UTC+0) with no daylight saving time.
Scheduling hint
Mauritania is on GMT (UTC+0). If you’re calling from North America, mornings in Nouakchott often align with early local hours. Check the live clock before dialing.
Validate a +222 number (quick check)
This check removes +222 or 00222 and non-digits, then verifies whether the remaining number looks like an 8-digit Mauritania number.
FAQs
What is the country calling code for Mauritania?
Mauritania’s country calling code is +222.
What is the international prefix when calling out from Mauritania?
Use 00 + destination country code + number.
Does Mauritania have a trunk prefix?
No. There is no trunk prefix (no leading 0).
How many digits are Mauritania phone numbers?
Mauritania national numbers are 8 digits, often written as XXXX XXXX.
Which mobile prefixes are used in Mauritania?
Common operator ranges are 20–29, 30–39, and 40–49 (operator blocks). Prefix allocations can change over time.
What time zone is Mauritania in?
Nouakchott uses Africa/Nouakchott (GMT / UTC+0) with no DST.
Sources & references
References for numbering-plan, ISO codes, and time-zone details.
Fast country code lookup, ISO codes, and time tools for international calls and global operations.