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 2's Campaign Includes Significant Multiplayer Unlocks - IGN

Call of Duty: Modern Warfare 2 Has the Same Phone Requirement Dropped from Overwatch 2

Modern Warfare PC requirements: Minimum and recommended specs - Dexerto

Overwatch 2 Removes Phone Requirement for Existing Players

Overwatch 2: How to unlock competitive mode

Starting October 4, 2022, all players across all platforms, including consoles, are required to have a phone number attached to their battle net account to launch Overwatch 2. : r/overwatch2

Call of Duty: Modern Warfare 2 — Release date, rumors, and everything we know so far

Overwatch 2 SMS Protect: What is it? Why does Blizzard require my phone number? - Polygon

Modern Warfare 2 has the same 'no prepaid phone' requirement as Overwatch 2 : r/Games

How to pre-order Call of Duty: Modern Warfare 2: Prices, Vault Edition, Standard Edition - Dexerto