To turn off Caller ID on a Motorola G7, open the Phone app, tap the three dots (menu) > Settings, then go to Calls > Additional settings > Caller ID and select Hide number, or for a single call, dial #31# before the number.
Press Additional settings. Press Caller ID. Press Show number to turn on caller identification. Press Hide number to turn off caller identification.
Show or hide your caller ID when making calls.
Change your caller ID on an Android phone
To block your mobile phone number on a per-call basis, dial #31# before each phone number you call. To permanently block your number use your Call Settings menu. Get step-by-step instructions for your device on how to hide your caller information.
Using Stock Android or Google Pixel
Choose Calls. Choose Additional settings. Choose Caller ID. Check an option, in this case, Hide number.
Caller ID
Use *67 to hide your phone number
The easiest way to hide your number when calling on your Android phone is to enter *67 on your keypad before typing in the area code and phone number. If you do this, your number will show up on the phone you're calling as “Private” or “Blocked”.
The Secure Folder in Moto Secure keeps your work and personal information safely hidden away, requiring a separate PIN for access.
Hide your number using Android settings
Open the Phone app. Open Settings > Supplementary services or Calls. Under Caller ID, select Hide number or Never. Your number will be hidden for all outgoing calls.
Press Additional settings. Press Caller ID. Press Show number to turn on caller identification. Press Hide number to turn off caller identification.
Call ID or caller ID is a phone service feature that enables phone subscribers to have incoming call numbers identified before they answer the phone. Call ID is provided by the phone carrier. Phone subscribers may choose to mask their numbers from caller ID.
This Vertical Service Code, *82, enables calling line identification regardless of subscriber preference, dialed to unblock withheld numbers (private callers) in the U.S. on a per-call basis.
*67 is a calling feature that allows you to hide your phone number when making calls. When you dial *67 before a phone number, your caller ID is blocked, and the person you are calling will see "Blocked," "Private," or "Unknown" on their caller ID instead of your actual phone number.
Access the personal IMEI number by keying *#06# the 15 digit serial number will appear on the screen. Make a note of the number and register the details with your operator, in the event that your phone is stolen you report it to you operator who should then be able to bar the SIM card.
Dialing *#21# on your phone uses a USSD code to check the status of your unconditional call forwarding, revealing if all your calls, data, or texts are being redirected to another number without your knowledge, which can happen if someone accesses your settings. It's not a definitive hack detector, but it quickly shows if a carrier-level setting is diverting your communications, potentially to intercept sensitive information like 2FA codes, and can be disabled with ##21#.
Quick Tip: Test Your Samsung Phone with *#0*# Before buying a Samsung phone, use the code *#0*# to check its hardware! This secret menu lets you test the screen, buttons, speakers, sensors, and more. It's a quick way to ensure everything works perfectly and avoid issues later.