Use PMPro Register Helper to add PMPro Billing Address fields to the edit user page for admins.

show_pmpro_address_fields_on_edit_profile.php

/*
	Use PMPro Register Helper to add PMPro Billing Address fields to the edit user page for admins.
*/
function show_pmpro_address_fields_on_edit_profile()
{
	//require PMPro and PMPro Register Helper
	if(!defined('PMPRO_VERSION') || !defined('PMPRORH_VERSION'))
		return;
			
	$address_fields = array(
		'pmpro_bfirstname'=>'First Name',
		'pmpro_blastname'=>'Last Name',
		'pmpro_baddress1'=>'Address 1',
		'pmpro_baddress2'=>'Address 2',
		'pmpro_bcity'=>'City',
		'pmpro_bstate'=>'State',
		'pmpro_bzipcode'=>'Zipcode',
		'pmpro_bphone'=>'Phone',
	);
	
	//define the fields	
	$fields = array();
	foreach($address_fields as $name=>$label)
	{
		$fields[] = new PMProRH_Field(
			$name,              // input name, will also be used as meta key
			"text",                 // type of field
			array(
				"label"=>$label,
				"size"=>40,         // input size				
				"profile"=>"only_admin",    // show in user profile for admins				
			));
	}
	
	//add a new checkout box with label
	pmprorh_add_checkout_box("billing_mailing_address", "Billing/Mailing Address");
	
	//add the fields into a new checkout_boxes are of the checkout page
    foreach($fields as $field)
        pmprorh_add_registration_field(
            "billing_mailing_address", // location on checkout page
            $field            // PMProRH_Field object
        );
}
add_action('init', 'show_pmpro_address_fields_on_edit_profile');

Forked here: https://gist.github.com/ideadude/882da87a55ee99b666870dfe1cc7eeb5

(When we converted "strangerstudios" to an organization account, we lost the ability to edit these old gists. Any updates will be made to the fork under my personal "ideadude" account.)