ZIPList5 Plus TM (March 2023 data)
Up-to-date ZIP code data file with area code, county name, county FIPS code, ZIP code type, city and state information for every 5-digit ZIP code in the entire USA plus time zone, and daylight saving time data!
ZIPList5 Plus is a database of every city in the United States and its territories to which the US Postal Service delivers mail. The database contains the 5-digit ZIP code, city name, state abbreviation, county name and county FIPS code, ZIP code type, primary telephone area code, time zone, and daylight saving time flag for each of the nearly 42,700 ZIP code defined by the USPS.
Search this comma delimited ASCII text file with your favorite text editor or import the file into any database program. You can also incorporate this data into your own applications to look up the city and state based on ZIP code or area code.
The City Name field identifies a city name associated with the ZIP code by the USPS. There may be several different city names associated with a particular ZIP code. If so, the ZIP code will appear in several different records, each with a different city name.
The ZIP code field lists only valid 5-digit ZIP codes currently defined by the USPS. Obsolete ZIP codes which have been "retired" from service by the USPS are not included in this database. A particular ZIP code may appear in more than one record if the USPS has defined more than one city name for that ZIP code.
The area code is the "most prevalent" area code for that one ZIP code. If multiple area codes apply to that one ZIP code, only the primary area code is listed. Overlay area codes are not listed.
The County FIPS code is a 5-digit numeric field containing a unique numeric identification assigned to that county by the US government. The County FIPS code field and the County Name field identify the "most prevalent" county for the 5-digit ZIP code listed in a given record.
The Preferred? flag can have one of three states, which indicate how that name can be used for delivery of mail to the associated ZIP code. The three states are:
The one preferred name record has the preferred field set to "P", while all alias name records have the preferred field set to "A" or "N". Note that in some cases a particular name may be preferred for some ZIP codes but an alias name for other ZIP codes. This frequently occurs when the exact political boundary between adjacent cities is obscure, leading people to use the two city names interchangeably within the boundary area.
The time zone field always contains the standard time zone designation for a particular ZIP code. If that ZIP code falls within a political entity which participates in Daylight Saving Time (DST) during the summer months, the DST field is set to "Y". Otherwise the DST field is set to "N".
The ZIP Code type field identifies special ZIP codes used for PO Boxes, companies, or the military.
Click here to download sample records in comma-delimited ASCII (CSV) format.
Click here to download sample records in comma-delimited ASCII (CSV) format, compressed with WinZip.
Available File Formats (selected at time of download)
* Quarterly subscription: Annual fee. You'll receive the latest ZIPList5 Plus data every three months for a full year, starting with March 2023.
** Monthly subscription: Annual fee. You'll receive the latest ZIPList5 Plus data every month for a full year, starting with March 2023.
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