You can use a phone number that is already registered with the WhatsApp Messenger or the WhatsApp Business App. Remember to back up your chat history from the WhatsApp Business App. These are guides on how to do so for <a href="https://faq.whatsapp.com/744445782709185/?helpref=faq_content" target="_blank" rel="noreferrer nofollow" class="PlaygroundEditorTheme__link">Android</a> or <a href="https://faq.whatsapp.com/180225246548988/" target="_blank" rel="noreferrer nofollow" class="PlaygroundEditorTheme__link">iOS</a>. <span data-lexical-excalidraw-json="{&quot;appState&quot;:{&quot;exportBackground&quot;:true,&quot;exportScale&quot;:2,&quot;exportWithDarkMode&quot;:false,&quot;isBindingEnabled&quot;:true,&quot;isLoading&quot;:false,&quot;name&quot;:&quot;Untitled-2023-10-17-1321&quot;,&quot;theme&quot;:&quot;light&quot;,&quot;viewBackgroundColor&quot;:&quot;#ffffff&quot;,&quot;viewModeEnabled&quot;:false,&quot;zenModeEnabled&quot;:false,&quot;zoom&quot;:{&quot;value&quot;:0.24979390211403363}},&quot;elements&quot;:[{&quot;id&quot;:&quot;mdc291pc8SMlLX-2Lellc&quot;,&quot;type&quot;:&quot;text&quot;,&quot;x&quot;:350.41015625,&quot;y&quot;:50.4765625,&quot;width&quot;:12,&quot;height&quot;:25,&quot;angle&quot;:0,&quot;strokeColor&quot;:&quot;#000000&quot;,&quot;backgroundColor&quot;:&quot;transparent&quot;,&quot;fillStyle&quot;:&quot;hachure&quot;,&quot;strokeWidth&quot;:1,&quot;strokeStyle&quot;:&quot;solid&quot;,&quot;roughness&quot;:1,&quot;opacity&quot;:100,&quot;groupIds&quot;:[],&quot;roundness&quot;:null,&quot;seed&quot;:1940351897,&quot;version&quot;:4,&quot;versionNonce&quot;:1613896025,&quot;isDeleted&quot;:true,&quot;boundElements&quot;:null,&quot;updated&quot;:1697529080718,&quot;link&quot;:null,&quot;locked&quot;:false,&quot;text&quot;:&quot;&quot;,&quot;fontSize&quot;:20,&quot;fontFamily&quot;:1,&quot;textAlign&quot;:&quot;left&quot;,&quot;verticalAlign&quot;:&quot;top&quot;,&quot;baseline&quot;:18,&quot;containerId&quot;:null,&quot;originalText&quot;:&quot;&quot;},{&quot;id&quot;:&quot;-CyYYCEV9pjvN4s8_1rVL&quot;,&quot;type&quot;:&quot;text&quot;,&quot;x&quot;:-666.5701334727491,&quot;y&quot;:-288.32791510772256,&quot;width&quot;:3206.0133557972827,&quot;height&quot;:490.37993488415987,&quot;angle&quot;:0,&quot;strokeColor&quot;:&quot;#000000&quot;,&quot;backgroundColor&quot;:&quot;transparent&quot;,&quot;fillStyle&quot;:&quot;hachure&quot;,&quot;strokeWidth&quot;:1,&quot;strokeStyle&quot;:&quot;solid&quot;,&quot;roughness&quot;:1,&quot;opacity&quot;:100,&quot;groupIds&quot;:[],&quot;roundness&quot;:null,&quot;seed&quot;:347887385,&quot;version&quot;:538,&quot;versionNonce&quot;:108607735,&quot;isDeleted&quot;:false,&quot;boundElements&quot;:null,&quot;updated&quot;:1697529161273,&quot;link&quot;:null,&quot;locked&quot;:false,&quot;text&quot;:&quot;Once you migrate a phone number to the WhatsApp Business Platform, \nyou cannot use that number on the WhatsApp Business App concurrently. \nYour number must be used either on the Business Platform or on the Business App.\n\n&quot;,&quot;fontSize&quot;:77.49526380536379,&quot;fontFamily&quot;:1,&quot;textAlign&quot;:&quot;left&quot;,&quot;verticalAlign&quot;:&quot;top&quot;,&quot;baseline&quot;:461.37993488415987,&quot;containerId&quot;:null,&quot;originalText&quot;:&quot;Once you migrate a phone number to the WhatsApp Business Platform, \nyou cannot use that number on the WhatsApp Business App concurrently. \nYour number must be used either on the Business Platform or on the Business App.\n\n&quot;},{&quot;id&quot;:&quot;yoiKlt-08ob9a7NfMqHeo&quot;,&quot;type&quot;:&quot;rectangle&quot;,&quot;x&quot;:-708.3556141371943,&quot;y&quot;:-343.1232819266147,&quot;width&quot;:3287.8511016456855,&quot;height&quot;:456.6577147584878,&quot;angle&quot;:0,&quot;strokeColor&quot;:&quot;#000000&quot;,&quot;backgroundColor&quot;:&quot;transparent&quot;,&quot;fillStyle&quot;:&quot;hachure&quot;,&quot;strokeWidth&quot;:1,&quot;strokeStyle&quot;:&quot;solid&quot;,&quot;roughness&quot;:1,&quot;opacity&quot;:100,&quot;groupIds&quot;:[],&quot;roundness&quot;:{&quot;type&quot;:3},&quot;seed&quot;:1391788567,&quot;version&quot;:118,&quot;versionNonce&quot;:544116121,&quot;isDeleted&quot;:false,&quot;boundElements&quot;:null,&quot;updated&quot;:1697529172789,&quot;link&quot;:null,&quot;locked&quot;:false}],&quot;files&quot;:{}}"><svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 3307.8511016456855 565.175301703052" width="100%" height="100%" display="block">
 
 
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You can use a phone number that is already registered with the WhatsApp Messenger or the WhatsApp Business App.****Remember to back up your chat history from the WhatsApp Business App. These are guides on how to do so for****[****Android****](https://faq.whatsapp.com/744445782709185/?helpref=faq_content)****or****[****iOS****](https://faq.whatsapp.com/180225246548988/)****.****

To migrate a number, you must first delete the WhatsApp Messenger or WhatsApp Business App account.

1. Open WhatsApp Messenger or WhatsApp Business app on your Android or iPhone
2. Navigate to****Settings > Account****
3. Select****Delete my account.****Messages sent to this phone number will be queued in the meantime
4. Follow the steps to delete the WhatsApp account for that phone number.****It may take up to 3 minutes for the disconnected number to become available****

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<colgroup><col /><col /><col /></colgroup>|:---|:---|:---|
|![](https://scontent.fpnq2-1.fna.fbcdn.net/v/t39.2365-6/53155930_1040983749443056_7137221020057862144_n.png?stp=dst-webp&_nc_cat=104&ccb=1-7&_nc_sid=e280be&_nc_ohc=FRzTBgVrwXgAX_qiUZP&_nc_ht=scontent.fpnq2-1.fna&oh=00_AfCrh4z68njLNjRzBRIGPnrBhgRg8y225O-KaLxpVi_Ftw&oe=65488241)Account Settings|![](https://scontent.fpnq2-2.fna.fbcdn.net/v/t39.2365-6/53231721_413403332756635_1839237629032267776_n.png?stp=dst-webp&_nc_cat=105&ccb=1-7&_nc_sid=e280be&_nc_ohc=zPCX5v6QWdoAX-UlGVX&_nc_ht=scontent.fpnq2-2.fna&oh=00_AfBCccBW4lO60ejzB58hncx6PVo6VvYp4jAAsNvjquCm4g&oe=6548999A)Delete My Account|![](https://scontent.fpnq2-2.fna.fbcdn.net/v/t39.2365-6/53128269_407915336420893_2688327795590823936_n.png?stp=dst-webp&_nc_cat=108&ccb=1-7&_nc_sid=e280be&_nc_ohc=34Kv2xiqzgQAX8mHgn2&_nc_ht=scontent.fpnq2-2.fna&oh=00_AfCROi65BfldKu7pKwUb3bBxR3UZYVLceChuQHmazbi6Cg&oe=65487FFF)|

Migrate an Existing WhatsApp Number to a Business Account

Learn how to setup and configure everything in the WhatsApp Cloud APIs


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