STC’s 900 line has one feature the other two Saudi operators don’t share: it’s toll-free from any phone in the Kingdom, including Mobily and Zain numbers — you don’t need an STC SIM to call it, which matters if you’re troubleshooting from a borrowed or secondary line.
Contact directory
| Channel | Use |
|---|---|
| 900 (toll-free, any KSA number) | Individual customer care, 24/7 |
| 909 | Enterprise & government accounts |
| +966 114 55 5555 | From abroad |
| SMS “help” to 900 | Self-service menu by text |
| MySTC app chat | Often faster than calling, written record |
Individual vs enterprise: two separate lines
900 handles individual consumer accounts; 909 is the dedicated line for enterprise and government contracts, with its own support team versed in bulk-account and B2B billing structures. Calling the wrong one just adds a transfer step, so route enterprise queries to 909 directly.
Fastest self-service: SMS “help”
Before calling, send “help” to 900 for a text-based menu of common self-service options — often resolves simple queries (balance, package status) without a call at all. For billing disputes specifically, the MySTC app chat is worth using over voice: you get a written transcript with a reference you can point to later.
If STC doesn’t resolve your complaint
Get a complaint reference number before ending any call or chat. If STC’s response is unsatisfactory, complaints can be escalated to CST (the Communications, Space & Technology Commission, formerly CITC) — Saudi Arabia’s telecom regulator — once 5 days have passed without resolution, via the Mutasil platform or CST’s own call centre on 19966. This applies equally to STC, Mobily, and Zain complaints.
Before calling about a balance question, self-service is faster — see checking your STC balance.
Contact details verified against STC’s official support pages and CST’s complaints escalation service, July 2026.
Step-by-Step Guide
- 1
Call 900
Dial 900 from any phone in Saudi Arabia. Select English, then follow the IVR menu for your issue type.
- 2
Or use MySTC app chat
Open MySTC app > Support > Chat for text-based support with typically shorter wait times.
- 3
Have details ready
Keep your STC number, national ID/Iqama, and relevant account details handy.
Alternative Methods
Send "help" to 900
MySTC App > Support > Chat
my.stc.com.sa > Live Chat
Troubleshooting
Long wait on 900
Use the MySTC app chat or send "help" to 900 via SMS. Early morning (7-9am) has shortest phone queues.
Cannot call 900 from abroad
Use +966 114 55 5555 for international support.
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Frequently Asked Questions
Is calling STC 900 really free from any number?
Yes — unlike Mobily and Zain's care lines, STC's 900 is toll-free from any phone within Saudi Arabia, not just STC numbers.
What is the STC business support number?
909, a separate line for enterprise and government accounts.
How do I escalate an unresolved STC complaint?
Get a complaint reference number, then escalate to CST (formerly CITC) via the Mutasil platform or call 19966 once 5 days have passed without resolution.
Is there an SMS option for STC support?
Yes, send "help" to 900 for a text-based self-service menu.
How do I reach STC from abroad?
Call +966 114 55 5555 from any international number.