Check the scope
The filter covers only the Spanish 400 range described here. It does not block WhatsApp, FaceTime or SMS.
Choose whether to block Spain’s 400 range.
NO400 filters the Spanish 400 number range through iPhone’s call-blocking system. You decide whether to silence the entire range.
A defined scope. Spanish numbers from +34 400 000 000 to +34 400 999 999. The range may include legitimate commercial calls; NO400 does not determine whether an individual call is fraudulent.
See how it worksOne filter for a defined range
NO400 provides iOS call-blocking extension with a local list of numbers. After you purchase the unlock, the app guides you to enable the extension in Settings. Activation and list loading depend on confirmation from iOS.
Unlock once
The purchase is a one-time non-consumable managed by Apple. The current price appears in the purchase screen.
Enable in Settings
Follow the in-app guide to enable call blocking in iOS. Help remains available whenever you need it.
Privacy, explained
The app works locally and does not access your contacts or a history of blocked calls. Apple manages the purchase. If you email support, we receive the information you include. The website host may process technical security logs.
Read the privacy policy or terms of use.