Edited for Raindrop

mypmpromm-custom-address-fields-profile.php

<?php //do not copy

/**
 * This code recipe references the custom fields you use on your member profiles
 * to ensure that they are geocoded and not the default billing fields.
 * 
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
function mypmpromm_profile_address_fields( $member_address ) {

    $pmpro_baddress1 = ! empty( $_REQUEST['pmpro_baddress1'] ) ? sanitize_text_field( $_REQUEST['pmpro_baddress1'] ) : '';
    $pmpro_baddress2 = ! empty( $_REQUEST['pmpro_baddress2'] ) ? sanitize_text_field( $_REQUEST['pmpro_baddress2'] ) : '';
    $pmpro_bcity = ! empty( $_REQUEST['pmpro_bcity'] ) ? sanitize_text_field( $_REQUEST['pmpro_bcity'] ) : '';
    $pmpro_bzipcode = ! empty( $_REQUEST['pmpro_bzipcode'] ) ? sanitize_text_field( $_REQUEST['pmpro_bzipcode'] ) : '';
    $pmpro_bcountry = ! empty( $_REQUEST['pmpro_bcountry'] ) ? sanitize_text_field( $_REQUEST['pmpro_bcountry'] ) : '';

    // If the first address is empty, bail.
    if ( empty( $pmpro_baddress1 ) ) {
        return $member_address;
    }

   $member_address = array(
			'street' 	=> $saddress1,
			'city' 		=> '',
			'state' 	=> '',
			'zip' 		=> ''
		);

    return $member_address;

}
add_filter( 'pmpromm_profile_billing_address_fields', 'mypmpromm_profile_address_fields', 10, 1 );