If you’re unsure whether your phone has this capability, you can usually find answers by searching ‘voicemail’ in the index of the product manual, or looking up the specific product info online. T-Mobile phones often have this capability, listed as Visual Voicemail. Many Verizon phones have it listed under “Account Services - Phone Extras”.
You can always reactivate your voicemail through the same means if there comes a time you’d prefer to have it back.
If you want to reactivate your voicemail after having turned it off in this fashion, follow the same steps, this time dialing *92 instead. [4] X Research source iPhone voicemail may be disabled in similar fashion. Input #404# into your call box and press “Call”. This should deactivate your phone service for the meantime.
Some providers, like Three UK, have special hotlines reserved for people wanting to modify or remove their voicemail. In the case of Three UK, you can call 333 to get started with the process. [5] X Research source Set some time aside for this if you decide to call. Depending on the time of day, traffic can be high and you may be waiting a while to get in touch with someone.