Write SQL query to solve given problem: Count the number of postal points under New York-Newark-Jersey City, NY-NJ-PA.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT COUNT(T2.zip_code) FROM CBSA AS T1 INNER JOIN zip_data AS T2 ON T1.CBSA = T2.CBSA WHERE T1.CBSA_name = 'New York-Newark-Jersey City, NY-NJ-PA'