This field allows you to update your ZIP Code data selectively if you receive data subscriptions. Yes Yes State 2-character state abbreviation for the state the ZIP Code is in. Yes Yes City sequence Unique number for city name amongst all city names associated with a particular ZIP Code. This distinguishes primary city names from secondary city names when you have the enhanced data. No Yes County name Name of the county the ZIP Code is in.
All primary cities are acceptable but only some secondary city names are acceptable.
Yes Area code Area code for this ZIP Code. Time Zone Time zone offset from Greenwich Mean Time for this ZIP Code. No Yes Daylight Savings Indicates if this ZIP Code is in a location that observes Daylight Savings Time. No Yes County FIPS FIPS code for the county the ZIP Code is in. FIPS code are used in government and commercial demographic databases.