Magento: How to display customer's phone number on customer information field

Question

I’m trying to have the customer’s phone number show under the customer account information section. I know the phone number belongs to the customer address section but I’m t

Answer 1

Careful if there is NO address set then this getPrimaryBillingAddress() return a non object.

$address = $this->getCustomer()->getPrimaryBillingAddress();
if ( $address ) echo $address->getTelephone();