National ZIP+4 Address Database TM (September 2014 data)

5-digit ZIP code, ZIP+4 add on, city, state, street address, carrier route, county FIPS code, and congressional district information!


Description
National ZIP+4 Address Database Information Source
The National ZIP+4 Address Database is published by CD Light, LLC, a company which holds a non-exclusive license from the United States Postal Service to publish and sell the National ZIP+4 Address Database. The content of these files comes directly from the United States Postal Service, which is solely responsible for the accuracy of the information contained therein.

National ZIP+4 Address Database Contents
The National ZIP+4 Address Database consists of 928 separate files, organized by 3-digit ZIP code, on a single CD-ROM. Each file contains a variable number of fixed-field-length ASCII ZIP+4 (9-digit ZIP code) address records of 182 bytes each, with no record delimiter (no carriage return nor line feed characters). Within a given file, the records are sorted by 5-digit ZIP code. Each file is then compressed using PKZIP V2.04g.

This database also includes the US Postal Service city-state file, which contains a complete listing of the approximately 42,700 5-digit ZIP codes currently assigned by the USPS. This file has approximately 71,500 fixed-field-length ASCII records of 129 bytes each. This file is also compressed using PKZIP V2.04g.

Here are some of the fields contained in each ZIP+4 address record:

Field Length Comments
ZIP Code 5 5-digit ZIP code
Record Type 1 Firm, High-rise, PO Box, Street, Rural route, etc.
Carrier route ID 4
Street predirection 2 N, S, E, W, NE, NW, SE, SW
Street name 28
Street suffix 4 ST, RD, DR, LN, etc.
Street postdirection 2 N, S, E, W, NE, NW, SE, SW
Primary low address 10 usually numeric
Primary high address 10 usually numeric
Primary even/odd/both 1 even or odd numbers, or both
Building/firm name 40 Primarily firm or high-rise record types
Secondary address type 4 APT, STE, BLDG, etc.
Secondary low address 8 usually numeric
Secondary high address 8 usually numeric
Secondary even/odd/both 1 even or odd numbers, or both
ZIP+4 add on low 4 numeric
ZIP+4 add on high 4 numeric
State code 2 CA, NY, etc.
County FIPS code 3 Federal Information Processing Standard code
Congressional district 2 numeric
City-state key 6 Preferred city name record in the city-state file

Where an address record identifies an exact street address, the primary low address and the primary high address fields are identical.

Click here to download a self-extracting file containing sample records from this database, with documentation. (about 108 KB).

Documentation
In addition to the ASCII text documents from the US Postal Service which accompany the ZIP+4 address files, the National ZIP+4 Address Database also includes a copy of the USPS's Address Information Products Technical Guide in Adobe Acrobat format. This document provides much more detailed formatting and usage information for the ZIP+4 address files and the city-state file, among others.

Address Ranges
The USPS claims that privacy laws passed by Congress prohibit it from making available an exact street address database. Like all other databases based on the USPS ZIP+4 address database, the National ZIP+4 Address Database does not actually contain every street number to which mail can be delivered. Instead, the database contains a total of about 30 million records, many of which define address ranges, especially in residential areas.

An address range record defines the lowest and highest street numbers which can exist for a given "block face" as well as the ZIP+4, carrier route number, and county name which apply to all addresses which may actually exist on that block face. In many cases exact street numbers are not actually defined in the database. This, by the way, is exactly the case for all commercial products based on the USPS ZIP+4 address database.

Matching the ZIP+4 Records to the City-State File
If you wish to identify the city name to which a particular ZIP+4 address record belongs, you should use the ZIP+4 "city-state key" field. This 6-character alphanumeric field identifies a unique record with that same key in the city-state file, which contains the city name preferred by the US Postal Service for mail delivered to that particular address or address range.

CAUTION - THIS DATABASE IS VERY LARGE AND NOT EASY TO USE. IT IS BEST SUITED FOR EXPERIENCED SOFTWARE DEVELOPERS ONLY!

Licenses
We offer different Licenses for the National ZIP+4 Address Database:

  • Workstation License - single-user, single workstation
  • Enterprise License - unlimited users on unlimited sites within one company
  • Duplication Addendum - Addendum to Enterprise or Workstation License for redistributing the data of the National ZIP+4 Address Database outside your company.
Please read our License Overview to determine which license you need.


Prices
September 2014
data
Quarterly*
Subscription

save up to 62%
Monthly**
Subscription

save up to 81%
Workstation License: $299.00 $499.00 $799.00
Enterprise License: $399.00 $599.00 $899.00
Duplication Addendum:
up to 100 copies
unlimited copies

$449.00
$899.00

$749.00
$1,499.00

$1,199.00
$2,399.00

* Quarterly subscription: Annual fee. You'll receive the latest National ZIP+4 Address Database every three months for a full year, starting with September 2014.
** Monthly subscription: Annual fee. You'll receive the latest National ZIP+4 Address Database every month for a full year, starting with September 2014.
Prices subject to change without notice.

Delivery
CD-ROM: This product is available only on CD-ROM. Normally we process and ship all orders within 1 business day using the shipping method you chose. The following shipping and handling charges apply:
Surface (USA, First Class) $6.00
2nd Day Air (USA except AK/HI) $10.00
(Alaska/Hawaii) $20.00
(Canada) $35.00
Overnight (USA except AK/HI) $15.00
International (Air Mail) $10.00

Payment
All orders must be prepaid. We accept Visa, MasterCard, Discover Card and American Express. We also accept checks and money orders in US funds drawn on a US bank. The payment must include sales tax for Texas residents as well as shipping and handling charges.

30-Day Money-Back Guarantee
We back the quality of our data with our 30-Day Money-Back Guarantee. If you are not satisfied with the National ZIP+4 Address Database we will cheerfully refund the purchase price of the product.

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National ZIP+4 Address Database with 5-digit ZIP code, ZIP+4 add on, city, state, street address, carrier route, county FIPS code, and congressional district information

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National ZIP+4 Address Database with 5-digit ZIP code, ZIP+4 add on, city, state, street address, carrier route, county FIPS code, and congressional district information

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