The following standard fields are available for each contact record:

email_address 
title 
first_name
middle_name
last_name 
full_name
format_preference 
company 
department 
address_1 
address_2
address_3 
city
state 
postal_code 
country
alternative_email_address_1 
alternative_email_address_2 
alternative_email_address_3 
phone_number_1 
phone_number_2 
phone_number_3 
mobile_phone_number_1 
mobile_phone_number_2 
mobile_phone_number_3
fax_number_1
fax_number_2
fax_number_3