How do I stop Hullomail answering my calls?

3 UK

**004*00447782333123#

Or you can call 333 in the UK to access 3 UK help.
They will be able to get you back to your old voicemail easily.

EE

**004*00447953222222#

giffgaff

**004*443#

O2

**004*901#

Orange

**004*00447973100123#

T-Mobile

##004#

Vodafone

**004*121#

BT

**004*00447918425646#

3

**004*353833333171#

O2

**004* Your phone number with prefix 5 #

For example, if your number is 087 9999999, then you would dial:
**004*08759999999#

Tesco Mobile

**004* Your phone number with prefix 5 #

For example, if your number is 087 9999999, then you would dial:
**004*08759999999#

Vodafone

**004* Your phone number with prefix 5 #

For example, if your number is 087 9999999, then you would dial:
**004*08759999999#

AT&T (GSM)

##004#
Or #21#

Sprint

*730
And *740

Or contact Sprint and ask them to revert you back.

T-Mobile (GSM)

##004#

Verizon (CDMA network)

*73
Or *72
Or *900
Then *920

Verizon (TDMA network)

*740
Then *730