Service Setup & Cancellation
This category covers the technical steps for setting up Call.io, granting permissions, service cancellation, and removing operator-based call forwardings.
You can easily set up the Call.io service by following the in-app guidance and granting the required permissions. If you tell Call.io that you want to set up the service, it will assist you.
You can disable the Call.io Assistant service from the Menu tab. If you tell Call.io that you want to cancel the service, it will assist you. If you cannot complete the cancellation in the app, you can go to the phone dialer and dial your operator's deactivation code to cancel call forwarding. Operator-specific deactivation codes are as follows:
USA:
Verizon---> *73
T-Mobile US ---> ##004#
AT&T Mobility---> ##004#
Sprint---> *720 , *740
U.S. Cellular ---> *73
C Spire Wireless ---> *73
Inland Cellular ---> *73
Boost Mobile ---> *740
Cricket ---> *730
Metro PCS ---> *38
Visible, Xfinity Mobile, Total wireless, Spectrum Mobile ---> *73
Simple Mobile, Freedom Mobile, Straight Talk, Consumer Cellular - CC --> #67#
Great Britain:
Vodafone UK --> ##21#
EE --> ##21#
O2 (Telefónica UK) --> ##21#
Three (Hutchison 3G UK) --> ##21#
BT Mobile --> ##21#
Giffgaff --> ##21#
Sky Mobile --> ##21#
Talk Talk --> ##21#
Türkiye:
Turk Telekom --> ##004#
Turkcell --> ##004#
Vodafone --> ##004#
Yes. Call.io needs to be reconfigured when you change operators. You can select your new operator via Menu > My Settings > Operator Selection.
You can disable the Call.io Assistant service from the Menu tab. If you tell Call.io that you want to cancel the service, it will assist you. If you cannot complete the cancellation in the app, you can dial your operator's deactivation code from your phone dialer to cancel call forwarding.
The operator-based deactivation codes are as follows:
USA:
Verizon---> *73
T-Mobile US ---> ##004#
AT&T Mobility---> ##004#
Sprint---> *720 , *740
U.S. Cellular ---> *73
C Spire Wireless ---> *73
Inland Cellular ---> *73
Boost Mobile ---> *740
Cricket ---> *730
Metro PCS ---> *38
Visible, Xfinity Mobile, Total wireless, Spectrum Mobile ---> *73
Simple Mobile, Freedom Mobile, Straight Talk, Consumer Cellular - CC --> #67#
UK:
Vodafone UK --> ##21#
EE --> ##21#
O2 (Telefónica UK) --> ##21#
Three (Hutchison 3G UK) --> ##21#
BT Mobile --> ##21#
Giffgaff --> ##21#
Sky Mobile --> ##21#
Talk Talk --> ##21#
Türkiye:
Turk Telekom --> ##004#
Turkcell --> ##004#
Vodafone --> ##004#
Deleting the app does not automatically stop the service. You can reinstall the app and disable the assistant service from the Menu tab. If you tell Call.io that you want to cancel the service, it will assist you.
Operator-based deactivation codes are as follows:
USA:
Verizon---> *73
T-Mobile US ---> ##004#
AT&T Mobility---> ##004#
Sprint---> *720 , *740
U.S. Cellular ---> *73
C Spire Wireless ---> *73
Inland Cellular ---> *73
Boost Mobile ---> *740
Cricket ---> *730
Metro PCS ---> *38
Visible, Xfinity Mobile, Total wireless, Spectrum Mobile ---> *73
Simple Mobile, Freedom Mobile, Straight Talk, Consumer Cellular - CC --> #67#
UK:
Vodafone UK --> ##21#
EE --> ##21#
O2 (Telefónica UK) --> ##21#
Three (Hutchison 3G UK) --> ##21#
BT Mobile --> ##21#
Giffgaff --> ##21#
Sky Mobile --> ##21#
Talk Talk --> ##21#
Türkiye:
Turk Telekom --> ##004#
Turkcell --> ##004#
Vodafone --> ##004#
Other topics
What is Call.io & How Does It Work?
Call.io is a call assistant that answers missed or rejected calls on your behalf and manages them based on your preferences. In this section, you can learn how Call.io works and how it handles your calls.
8 answersAssistant Number
A dedicated phone number assigned to you by Call.io. Calls to this number are answered directly by your assistant.
5 answersCall Management & Personalization
With Call.io, you can manage your calls based on the caller, time, and call reason, and create personalized rules that match your preferences. In this section, you can learn how to use call management and personalization settings.
6 answersStill need a hand?
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