Call Prefix & Caller ID Codes
MartyGiLab.com
📱 Call Prefix & Caller ID Codes
Need to add a prefix, suffix, or special dialing code before calling?
Call Prefix automatically adds prefixes such as *67, *82, *70, #31#, and custom codes to your outgoing calls, so you don’t need to edit your contacts or type them every time.
✨ Key Features
➕ Automatically add prefixes and suffixes to outgoing calls
📲 Quick home screen widgets to enable or disable codes instantly
🕵️ Hide your number with caller ID blocking codes like *67 or #31#
☎️ Support for custom dialing codes, carrier prefixes, and service codes
⏸️ Skip operator voice messages after a short delay, where supported
🌍 Replace or remove “+” and “00” for easier international dialing
🆘 Emergency numbers are automatically excluded for safety
🔐 Privacy & Security
❌ No contact access required
❌ No personal data collected
✅ All number processing happens locally on your device
💎 Usage Modes
🎁 Free trial: 24 hours of full access after first install
🎬 Rewarded video: extend usage by 1 day for each video watched
💳 Premium: one-time purchase for unlimited lifetime use, no subscription
⚙️ Requirements
📱 Android 10 or higher (API 29+)
⚙️ Must be set as your Call Redirection Manager
🔋 Battery optimization exclusion is recommended for best reliability
📌 Compatibility
✅ Works well on many Samsung, Google Pixel, Motorola, OnePlus, Xiaomi/Redmi, Huawei/Honor, and Vivo devices
❌ Not compatible with some Oppo and Realme devices due to system restrictions
⚠️ On some Samsung and Xiaomi devices with Android 15, pause commas may not work correctly, which can affect operator message skipping
🔎 Common Use Cases
• Hide your caller ID with *67 or #31#
• Show your caller ID again with *82
• Disable call waiting with *70
• Use custom carrier or service codes automatically
• Manage everything from quick home screen widgets
⭐ Call Prefix is a fast and simple way to manage dialing prefixes, caller ID, and service codes without editing your contacts.
⚠️ This app is independent and is not affiliated with any carrier. Codes and services vary by country, region, operator, contract, and device.
Need to add a prefix, suffix, or special dialing code before calling?
Call Prefix automatically adds prefixes such as *67, *82, *70, #31#, and custom codes to your outgoing calls, so you don’t need to edit your contacts or type them every time.
✨ Key Features
➕ Automatically add prefixes and suffixes to outgoing calls
📲 Quick home screen widgets to enable or disable codes instantly
🕵️ Hide your number with caller ID blocking codes like *67 or #31#
☎️ Support for custom dialing codes, carrier prefixes, and service codes
⏸️ Skip operator voice messages after a short delay, where supported
🌍 Replace or remove “+” and “00” for easier international dialing
🆘 Emergency numbers are automatically excluded for safety
🔐 Privacy & Security
❌ No contact access required
❌ No personal data collected
✅ All number processing happens locally on your device
💎 Usage Modes
🎁 Free trial: 24 hours of full access after first install
🎬 Rewarded video: extend usage by 1 day for each video watched
💳 Premium: one-time purchase for unlimited lifetime use, no subscription
⚙️ Requirements
📱 Android 10 or higher (API 29+)
⚙️ Must be set as your Call Redirection Manager
🔋 Battery optimization exclusion is recommended for best reliability
📌 Compatibility
✅ Works well on many Samsung, Google Pixel, Motorola, OnePlus, Xiaomi/Redmi, Huawei/Honor, and Vivo devices
❌ Not compatible with some Oppo and Realme devices due to system restrictions
⚠️ On some Samsung and Xiaomi devices with Android 15, pause commas may not work correctly, which can affect operator message skipping
🔎 Common Use Cases
• Hide your caller ID with *67 or #31#
• Show your caller ID again with *82
• Disable call waiting with *70
• Use custom carrier or service codes automatically
• Manage everything from quick home screen widgets
⭐ Call Prefix is a fast and simple way to manage dialing prefixes, caller ID, and service codes without editing your contacts.
⚠️ This app is independent and is not affiliated with any carrier. Codes and services vary by country, region, operator, contract, and device.
Developer email
prefisso@martygilab.com
Developer website
https://www.martygilab.com/prefisso/prefisso-chiamate.htmlReleased
Sep 5, 2025
Current version
5.5
Android version
10
Screenshots
