| M2 | SMS/Chat: Me too |
| ma | Landekode for Marokko |
| mc | Landekode for Monaco |
| md | Landekode for Moldova |
| me | Landekode for Montenegro |
| mg | Landekode for Madagascar |
| MGT | SMS/Chat: Meget |
| mh | Landekode for Marshalløerne |
| mk | Landekode for Makedonien |
| ml | Landekode for Mali |
| mm | Landekode for Myanmar |
| mn | Landekode for Mongoliet |
| MN | SMS/Chat: Men |
| mo | Landekode for Macao |
| MOB | SMS/Chat: Mobil |
| MORN | SMS/Chat: Godmorgen, Morgen |
| mp | Landekode for Nordmarianerne |
| mq | Landekode for Martinique |
| mr | Landekode for Mauritanien |
| ms | Landekode for Montserrat |
| mt | Landekode for Malta |
| mu | Landekode for Mauritius |
| mv | Landekode for Maldiverne |
| mw | Landekode for Malawi |
| mx | Landekode for Mexico |
| my | Landekode for Malaysia |
| MYM | SMS/Chat: Mind your manners |
| MYZ | SMS/Chat: Kys |
| mz | Landekode for Mozambique |
| MÅZ | SMS/Chat: Kys |
