The Princeton ZIP Code maps and basic ZIP Code information such as the number of Business, Residential and PO Box addresses in the ZIP Code are updated 4 times per year. Last update: August 1, 2017. The DEMOGRAPHIC DATA for each Princeton ZIP Code is updated annually. The last update was on July 1, 2017 and includes:
Texas is a U.S. state with two senators in the United States Senate and 36 representatives in the United States House of Representatives.
The District of Columbia elects two shadow senators, but they are officials of the D.C. city government and not members of the U.S. Senate. The United States has had 50 states since 1959, thus the Senate has had 100 senators since 1959.