The number looks and works like a standard U.S. number similar to numbers you’d get from AT&T, T-Mobile, or Verizon
: Some users report that the disc version requires deleting the COD HQ application entirely, then reinstalling specifically from the disc while offline to bypass mandatory launcher updates. Critical Limitations Question about COD MW3 (2023) - PlayStation 5 - GameFAQs
Players often find the game refuses to launch or locks content when disconnected from the internet. This is frequently caused by the game's "always-online" DRM or a requirement for local account authentication. cod mw3 offline fix
If you use Steam Guard Mobile Authenticator, your local token might be out of sync. : Some users report that the disc version
Let me know if this helped or if you found another fix. If you use Steam Guard Mobile Authenticator, your
: When the game attempts to connect to servers and fails, do select "Retry." Instead, select "Go Offline"
Your router’s firewall may be blocking Steam’s legacy callbacks. MW3 requires specific ports to be open.