Unlike Overwatch 2, Modern Warfare 2's mobile phone requirement is PC-only

Console players aren’t subject to the same SMS security policy as PC…

Call of Duty®: Modern Warfare® II Multiplayer Overview — Everything Available at Launch

Modern Warfare 2 and Overwatch 2 drop prepaid phone restrictions

Games Like 'Call of Duty: Modern Warfare II' to Play Next - Metacritic

Call Of Duty: Modern Warfare III's Campaign Was Reportedly Made In 16 Months Under Crunch Conditions - Game Informer

Overwatch 2's frustrating phone registration requirement axed for most players

Call of Duty: Modern Warfare

Call of Duty: Modern Warfare 2's Phone Number Requirement Will Only Affect Some PC Players - IGN

Call of Duty: Modern Warfare 2 Will Include Controversial Overwatch 2 Feature

Overwatch 2 Removes Phone Requirement for Existing Players

Call of Duty: Modern Warfare II just broke quarterly sales records

Call of Duty: Modern Warfare 2's Phone Number Requirement Will Only Affect Some PC Players - IGN

Call of Duty: Modern Warfare 2's Phone Number Requirement Will Only Affect Some PC Players - IGN