1. Use MMI code to disable voicemail on iPhone

MMI code, aka Man-Machine-Interface codes, allows you to communicate with your mobile service provider. This one is a quick and easy method to disable your conditional call forwarding settings and voicemail settings. Find your mailbox number Turn on call forwarding Deactivate iPhone voicemail Now, put your phone on Airplane Mode and check whether your voicemail is deactivated or not. Note: The only flaw in the plan is that not all service providers comply with these global MMI standards. So, it might not work for everyone, but the next step would.

2. Contact your service provider 

I know reaching and conversing with customer service can be a lengthy process, but this one’s the most effective way. Notably, this will be more or less a permanent change and will delete saved greetings, messages, and settings. You can easily search for your carrier’s contact number via Google. Here’s the number of the most popular service providers in the US.

T-Mobile – 1-877-453-1304 Verizon – 1-800-922-0204 AT&T – 1-800-331-0500 Sprint – 888-211-4727

3. Fill up your voicemail space

Well, this is one of the silliest hacks I will ever be sharing (hopefully). But since it works like a charm, I have no qualm about adding it to the list. Start by enabling Airplane Mode. Now keep calling yourself and leave voicemails until your mailbox is full. The limit of voicemails may vary according to your service provider. Once the mailbox is out of storage, you’ll not be able to receive any voicemails, and we get what we desire. 😛 Signing off  If you want to deactivate voicemail for an extended period, prefer calling your service provider to do so. And when you want it to be done temporarily, use the MMI code method. To reactivate, you can use dial##004# or call the service provider. And if you have dared to go with the storage full method, you can instantly free up space by deleting all voicemail messages at once. Facing issues with voicemail constantly? The below articles may help:

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