Provide the zip codes and their affiliated organization for the postal point under Kingsport-Bristol, TN-VA.
postal point under Kingsport-Bristol, TN-VA refers to zip_code where CBSA_name = 'Kingsport-Bristol, TN-VA'; affiliated organization refers to organization from CBSA;
SELECT T2.zip_code, T2.organization FROM CBSA AS T1 INNER JOIN zip_data AS T2 ON T1.CBSA = T2.CBSA WHERE T1.CBSA_name = 'Kingsport-Bristol, TN-VA'