# *67[number] on iPhone: Hide Your Number For One Call URL: https://byshahid.com/blog/hide-your-number-for-one-call-star-67-number-iphone/ App: Secret Codes: IMEI & Carrier (https://apps.apple.com/us/app/secret-codes-imei-carrier/id6807154322) Author: Muhammad Shahid Updated: 2026-11-04 > *67[number]: Place a single call as a withheld number. Dial *67 immediately followed by the number you want to reach, then press call. The person you are calling sees "No Caller ID", "Private" or "Blocked" instead of your number. The block applies to that one call only. Your next call is normal again. - **Code:** *67[number] - **What it does:** Place a single call as a withheld number. - **Published for:** Verizon, AT&T, T-Mobile and UScellular - **Type:** Support varies Place a single call as a withheld number. This page explains what `*67[number]` does, how to use it on an iPhone and which carriers it applies to. I build **Secret Codes: IMEI & Carrier**, a free iPhone app with 317 checked codes and guides, including this one. If you would rather tap than memorise, [get Secret Codes on the App Store](https://apps.apple.com/us/app/secret-codes-imei-carrier/id6807154322). ## What does *67[number] do? Dial *67 immediately followed by the number you want to reach, then press call. The person you are calling sees "No Caller ID", "Private" or "Blocked" instead of your number. The block applies to that one call only. Your next call is normal again. **Important:** Caller ID blocking is ignored for calls to 911 and other emergency services, and for toll-free numbers that use ANI delivery — those recipients still receive your number. ## How do I use *67[number]? - Open the Phone app and tap Keypad. - Type *67[number], replacing [number] with the full phone number, including the area code. - Press the green Call button. ## Which carriers does this apply to? | Published for | Verizon, AT&T, T-Mobile and UScellular | | Type | Support varies | | Good to know | Works on all four major US carriers. It is the most widely supported way to withhold your number in the United States. | _Screenshot: The Secret Codes detail screen shows the steps, the carriers and an Open in Phone button._ ## Related caller id codes - [*82[number]: Show Your Number For One Call](/blog/show-your-number-for-one-call-star-82-number-iphone/) - [*#31#: Check Caller ID Setting](/blog/check-caller-id-setting-star-hash-31-iphone/) - [#31#[number]: Hide Your Number (GSM Style)](/blog/what-is-31-code-iphone/) - [*31#[number]: Show Your Number (GSM Style)](/blog/show-your-number-gsm-style-star-31-hash-number-iphone/) - [*#30#: Check Incoming Caller ID Service](/blog/check-incoming-caller-id-service-star-hash-30-iphone/) - [*#76#: Check Connected Line Presentation](/blog/check-connected-line-presentation-star-hash-76-iphone/) See all [caller id codes](/blog/iphone-codes/caller-id/) or [every category of iPhone codes](/blog/iphone-codes/). ## How Secret Codes helps Secret Codes keeps this and every other entry a search away. Pick your carrier once and each entry says whether it is published for your line. You can save favourites, add a private note, and record whether a code worked on your line. **Secret Codes: IMEI & Carrier** is free on the App Store: https://apps.apple.com/us/app/secret-codes-imei-carrier/id6807154322 ## FAQ ### What does *67[number] do on iPhone? Place a single call as a withheld number. Dial *67 immediately followed by the number you want to reach, then press call. The person you are calling sees "No Caller ID", "Private" or "Blocked" instead of your number. ### What else should I know about *67[number]? The block applies to that one call only. Your next call is normal again. ### What are the steps for *67[number]? 1. Open the Phone app and tap Keypad. 2. Type *67[number], replacing [number] with the full phone number, including the area code. 3. Press the green Call button. ### Where do I use *67[number]? On the keypad of the Phone app. ### How do I add the number to *67[number]? Replace [number] with the full phone number, including the area code, then press Call. ### Is *67[number] a hidden or secret code? No. It is a published service, not a hidden menu. iPhones do not have Android-style engineering menus. ### Which carriers does *67[number] work on? It is published for Verizon, AT&T, T-Mobile and UScellular. Works on all four major US carriers. It is the most widely supported way to withhold your number in the United States. ### Is there anything to watch out for with *67[number]? Caller ID blocking is ignored for calls to 911 and other emergency services, and for toll-free numbers that use ANI delivery — those recipients still receive your number. ### Does *67[number] work on Android phones too? It is handled by the carrier or service rather than the iPhone, so it is not tied to one phone brand. Check with your carrier. ### Will *67[number] work outside the US? It is published for US carriers and services, so do not count on it abroad. Ask your carrier before you travel. ### What if *67[number] does not work on my iPhone? Check that it applies to your carrier first, because carriers decide which services they offer and can change them. If it should apply to your line, contact your carrier. ### What is related to *67[number]? *82[number]: Show Your Number For One Call. Override a standing caller ID block for one call. ## Sources - [3GPP TS 22.030: Man-Machine Interface of the phone](https://www.3gpp.org/dynareport/22030.htm) - [Apple Support: iPhone User Guide](https://support.apple.com/guide/iphone/welcome/ios)