ZIPList5 Plus TM (March 2015 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!

Download ZIP code, city, state, area code, county name and FIPS code, time zone, and daylight saving time information immediately!

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, such as MS Access, dBase, Paradox, FoxPro, etc. Also available in native Access, dBase, and Paradox formats. Other file formats are available upon request. You can also incorporate this data into your own applications to look up the city and state based on ZIP code or area code.

We update every record in ZIPList5 Plus monthly, so you always receive the latest and most up-to-date data. You can't get more accurate and timely ZIP code data from any other source! We include the most recent area code changes in every update. We license our ZIP code data directly from the US Postal Service, and collect and cross-check all the other data continuously from a variety of sources, including NANPA, the telephone companies, and maps.

Record Layout
The data records of the ZIPList5 Plus file consist of ten quote-delimited, comma-separated, ASCII text fields, arranged as follows:

"City Name","State Code","ZIP code","Area code","County FIPS code","County Name","Preferred flag","Time zone","DST","ZIP Code Type"CRLF

The fields are defined as follows:

Field Type Length
City Name Variable length ASCII 28 maximum
State Code Fixed length ASCII 2
ZIP code Fixed length ASCII 5 numeric characters
Area code Fixed length ASCII 3 numeric characters
County FIPS Fixed length ASCII 5 numeric characters
County Name Variable length ASCII 25 maximum
Preferred? Fixed length ASCII 1 ("P","A", or "N")
Time zone Variable length ASCII 5 maximum
DST Fixed length ASCII 1 ("Y" or "N")
ZIP code type Fixed length ASCII 1 character (P, U, M, or blank)

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:

  • P - This is the preferred city name for this ZIP code
  • A - This city name is approved (but NOT preferred) for this ZIP code
  • N - The city name is NOT approved for mail delivery to this ZIP code
Some people object to using the "preferred" name specified by the US Postal Service; these people may instead use some other, locally preferred name. This can be quite confusing. Accordingly, we have included in the database these "alias" city names, along with the ZIP codes to which they apply. This means that a particular ZIP code may exist in a "preferred name" record and again in one or more "alias name" records.

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.

Sample Records
"Key West","FL","33040","305","12087","Monroe","P","EST","Y",
"Stock Island","FL","33040","305","12087","Monroe","A","EST","Y",
"Raccoon Key","FL","33040","305","12087","Monroe","N","EST","Y",
"Agoura","CA","91376","818","06037","Los Angeles","A","PST","Y","P"

Click here to download a self-extracting file containing sample records in Access 2003 format (about 26 KB).

Click here to download a self-extracting file containing sample records in comma-delimited ASCII format (about 17 KB).

Available File Formats
Format Compression Download Size
Comma-delimited ASCII self-extracting 1.0 MB
Microsoft Access 2000 self-extracting 1.5 MB
Microsoft Access 2003 self-extracting 1.3 MB
Paradox 9.0 self-extracting 1.0 MB
dBase self-extracting 1.0 MB
Comma-delimited ASCII WinZip 1.0 MB
Comma-delimited ASCII uncompressed 4.7 MB

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Please read our License Overview to determine which license you need.

March 2015

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