How to Block Spam Calls in Saudi Arabia — CITC Do Not Call Registry

Receiving unwanted marketing calls or SMS on your Saudi number? Register with the CITC Do Not Call list.

STC Cost: Free Prepaid Postpaid Verified May 2026

Saudi Arabia handles spam-call blocking at the national level rather than per-operator, so one CITC registration covers your line regardless of whether you’re on STC, Mobily, or Zain.

Quick answer

SMS “Block” to 330330, or register through the CITC app or citc.gov.sa.

Why one registration is enough

Unlike some GCC markets where each operator runs its own do-not-call list, CITC’s registry sits above the network layer — registering once opts your number out of marketing calls and SMS from any business complying with CITC rules, no matter which of the three operators you’re actually on.

What it blocks — and what it doesn’t

The registry stops marketing calls and SMS from registered businesses. It does not affect personal calls, and scam calls from numbers that never registered in the first place can still get through.

Timeline

Allow 24-48 hours for the registry update to take effect. For immediate relief from a specific number, block it directly in your phone’s settings while you wait.

Verified against CITC’s official Do Not Call registry guidance, August 2026.

Written & verified by GSMplans Editorial Team · Last checked May 2026

The GSMplans Editorial Team researches, writes, and verifies every guide on this site against official operator sources — Etisalat, du, STC, Mobily, Zain, Ooredoo, Vodafone, Omantel, Batelco, and… Our process →

Step-by-Step Guide

  1. 1

    Register

    SMS "Block" to 330330, or CITC app.

  2. 2

    Wait

    24-48 hours for registry to update.

  3. 3

    Report

    Report persistent spam via CITC app.

Alternative Methods

SMS "Block" to 330330

CITC App

citc.gov.sa

Troubleshooting

Still getting spam

Allow 48 hours. Report via CITC app. Block numbers on phone.

Personal calls blocked

Registry only blocks marketing. Personal calls unaffected.

Pro Tip
CITC registration takes 24-48 hours to take effect. Also block numbers directly on your phone for immediate relief.

Frequently Asked Questions

Is this free?

Yes, CITC's Do Not Call registry is a free government service.

Does it work on all three operators?

Yes — registration is at the national level, so STC, Mobily, and Zain numbers are all covered by the same signup.

I'm still getting spam calls — why?

Allow the full 24-48 hours first. If it persists, report the number through the CITC app, and block it directly on your phone for immediate relief in the meantime.

Will this block personal calls too?

No, the registry only affects registered marketing communications — personal calls are unaffected.

STC
Saudi Arabia
All STC guides Saudi Arabia telecom overview