Secret Codes guide

*82[number] on iPhone: Show Your Number For One Call

By Muhammad Shahid · 4 November 2026 · 3 min read

Quick answer

*82[number]: Override a standing caller ID block for one call. Dial *82 followed by the number. Your caller ID is presented for that call even if your line is set to withhold it permanently. Useful because many businesses, doctors' offices and automated systems reject calls that arrive with no caller ID.

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Key facts
Code	*82[number]
What it does	Override a standing caller ID block for one call.
Published for	Verizon, AT&T, T-Mobile and UScellular
Type	Support varies

Override a standing caller ID block for one call. This page explains what *82[number] does, how to use it on an iPhone and which carriers it applies to.

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What does *82[number] do?

Dial *82 followed by the number. Your caller ID is presented for that call even if your line is set to withhold it permanently.

Useful because many businesses, doctors' offices and automated systems reject calls that arrive with no caller ID.

How do I use *82[number]?

Open the Phone app and tap Keypad.
Type *82[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.

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Frequently asked questions

What does *82[number] do on iPhone?

Override a standing caller ID block for one call. Dial *82 followed by the number. Your caller ID is presented for that call even if your line is set to withhold it permanently.

What else should I know about *82[number]?

Useful because many businesses, doctors' offices and automated systems reject calls that arrive with no caller ID.

What are the steps for *82[number]?

1. Open the Phone app and tap Keypad. 2. Type *82[number], replacing [number] with the full phone number, including the area code. 3. Press the green Call button.

Where do I use *82[number]?

On the keypad of the Phone app.

How do I add the number to *82[number]?

Replace [number] with the full phone number, including the area code, then press Call.

Is *82[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 *82[number] work on?

It is published for Verizon, AT&T, T-Mobile and UScellular. Works on all four major US carriers.

Does *82[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 *82[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 *82[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 *82[number]?

*67[number]: Hide Your Number For One Call. Place a single call as a withheld number.

What else is in this category?

*#31#: Check Caller ID Setting. See whether your number is being sent with outgoing calls.

Sources

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