How To Disable Dial Assist On An IPhone: 3 Steps (with Pictures)

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This helped me How to Disable Dial Assist on an iPhone Explore this Article Steps Steps Other Sections Related Articles References Article Summary Written by Nicole Levine, MFA

Last Updated: January 17, 2026

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This article was co-authored by wikiHow staff writer, Nicole Levine, MFA. Nicole Levine is a Technology Writer and Editor for wikiHow. She has more than 20 years of experience creating technical documentation and leading support teams at major web hosting and software companies. Nicole also holds an MFA in Creative Writing from Portland State University and teaches composition, fiction-writing, and zine-making at various institutions. This article has been viewed 22,543 times.

This wikiHow teaches you how to prevent your United States-based iPhone from adding the outbound calling code (such as 0044 in the UK) and the prefix “1” when dialing US numbers abroad. If you’re in another country and having trouble calling non-US numbers, this may resolve your issue.

Steps

1. 1 Open your iPhone’s Settings. It's the app with a gray gear icon on your home screen.
2. 2 Scroll down and tap Phone. It’s in the fifth group of settings. Advertisement
3. 3 Slide the “Dial Assist” switch to the Off position. The switch will turn gray.
   • When dialing contacts in the United States, you’ll need to add your current country’s outbound calling code (for example, Australia’s is 0011) and the number 1 to the beginning of each phone number. For example, 212-555-1212 becomes 001 1 212-555-1212.[1]
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References

1. ↑ http://www.howtocallabroad.com/usa/

About this article

Written by: Nicole Levine, MFA wikiHow Technology Writer This article was co-authored by wikiHow staff writer, Nicole Levine, MFA. Nicole Levine is a Technology Writer and Editor for wikiHow. She has more than 20 years of experience creating technical documentation and leading support teams at major web hosting and software companies. Nicole also holds an MFA in Creative Writing from Portland State University and teaches composition, fiction-writing, and zine-making at various institutions. This article has been viewed 22,543 times. How helpful is this? Co-authors: 3 Updated: January 17, 2026 Views: 22,543 Article SummaryX

1. Open your Settings. 2. Tap Phone. 3. Slide the “Dial Assist” switch to the Off position. Did this summary help you?YesNo

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Thanks to all authors for creating a page that has been read 22,543 times.

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Yes No Advertisement Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy. Written by: Nicole Levine, MFA wikiHow Technology Writer Click a star to vote Co-authors: 3 Updated: January 17, 2026 Views: 22,543

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