vlt/business/contacts-upload-example.csv

1	email	first_name	last_name	address_line_1	address_line_2	city	state_province_region	postal_code	country	phone_number_id	external_id	anonymous_id
2	example@example.com	John	Doe	123 Neverland Lane	Suite 42	Denver	CO	80202	USA	+18778894546	example_external_id	example_anonymous_id