calls from outside of south sudan has a different dialing format needing to be used. international call prefixes, area codes, and phone numbers may vary. an inbound call has the format of "+211 mm nnn nnnn" (where "mm" represents the mobile code, and "nnn nnnn" represents the local number). this is also started off with the international call prefix respective to the country the call is coming from (for example, the united states and canada use "011", and most other countries use "00"). so for example, if someone from tried to call to the number "55-555-5555" in south sudan from the united states, then one would use 011 211 55 555 5555.