Gaming & Marketplace
•
VoIP Tolerance: Strict (Rejects VoIP for Prime Status & Market Access)
Receive SMS for Steam (Valve) Verification
Receive SMS online for Steam Guard 2FA, account recovery, and Steam Community market trading. Review Steam carrier rules, 5-digit passcodes, and live inboxes.
OTP Code Format
5 alphanumeric characters (e.g. 5XXXX)
Standard numerical passcode
Expiry Window
600 seconds (10 minutes)
Time before token invalidation
Line Type Tolerance
Strict (Rejects VoIP for Prime Status & Market Access)
HLR Line Type Query Status
Sender ID Origin
Dedicated Short Code or Valve Alphanumeric
Originating carrier routes
Live Inbound Steam (Valve) Messages
Real-time SMS passcodes received from Steam (Valve) across active carrier trunks. Click any OTP to copy instantly.
20 messages captured
Available Phone Numbers for Steam (Valve)
Direct cellular SIM lines capable of receiving Steam (Valve) verification tokens.
How to Verify Steam (Valve)
- Open Steam client or store.steampowered.com > Account Details > Manage Phone Number.
- Add the phone number matching the SMSRiver country selection.
- Confirm the confirmation email sent by Valve, then trigger the SMS verification code.
- Look for the incoming 5-character Steam code in the live feed below.
- Enter the code into Steam to bind your phone.
Carrier & HLR Requirements
Valve requires mobile cellular phone numbers for Steam Guard SMS and CS2 Prime status. Numbers detected as virtual or internet-based VoIP trigger 'Please enter a valid mobile number'. SMSRiver mobile lines are compatible with Steam Guard setup.
Sample SMS Payload Structure
Use this code to verify your phone number on Steam: 5G82R. If you didn't request this, ignore this message.
Anti-Fraud & Rate Limit Controls
- A phone number VAC ban spreads to all Steam accounts sharing that same number.
- 15-day trade hold applied if Steam Guard Mobile Authenticator is modified or removed.
- Market transaction limits enforced on accounts lacking verified mobile binding.