Telephone numbers in Mauritania

The following are the telephone codes in Mauritania. == Calling formats == xxxx xxxx: Calls within Mauritania +222 xxxx xxxx: Calls from outside Mauritania Prior to 2011, Mauritanian phone numbers consisted of seven digits; starting in 2011, the NSN length is 8 digits.

Source: Wikipedia — Telephone numbers in Mauritania (CC BY-SA 4.0)