International Calling Codes - R
| Calling Code: | Country / Type: |
| 262 | Reunion Island |
| 262692 | Reunion Island Mobile |
| 262693 | Reunion Island Mobile |
| 40 | Romania |
| 403 | Romania Fixed Other |
| 407 | Romania Mobile Other |
| 408 | Romania Fixed Other |
| 409 | Romania Special Services |
| 4021 | Romania Bucharest |
| 4072 | Romania Mobile Vodafone |
| 4073 | Romania Mobile Vodafone |
| 4074 | Romania Mobile Orange |
| 4075 | Romania Mobile Orange |
| 4076 | Romania Mobile Cosmote |
| 4077 | Romania Mobile Digi |
| 4078 | Romania Mobile Cosmote |
| 40118 | Romania Special Services |
| 40799 | Romania Mobile Vodafone |
| 7 | Russia |
| 7495 | Russia Moscow |
| 7499 | Russia Moscow |
| 7812 | Russia St. Petersburg |
| 7840 | Russia St. Abkhazia |
| 79 | Russia Mobile |
| 7940 | Russia Abkhazia Mobile |
| 7954 | Russia Mobile Satellite Operators |
| 250 | Rwanda |
| 25072 | Rwanda Mobile Other |
| 25073 | Rwanda Mobile Other |
| 25075 | Rwanda Mobile Other |
| 25078 | Rwanda Mobile MTN |