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US Master Address List

Inaccurate, old, and incomplete address data is hampering your decision making and business performance.
Smarty's US Master Address List features 190+ million verified USPS addresses and the option to add 20 million verified non-USPS addresses, each with a persistent unique identifier for superior coverage, data management, reporting, and analysis.
Get a quoteGet a sample listchart of US Verified Addresses, US Verified PO Boxes, and US Non-USPS Addresses for a few states in the United States

The Ultimate Comprehensive Address Saturation Lists

Smarty's proprietary US Master Address List is the most reasonably priced, complete, and accurate list of verified addresses in the US, featuring 190+ million USPS addresses plus the option to add 20 million non-USPS addresses, more than 210 million in total.
Smarty gives you the most comprehensive and current lists of mailable addresses in the United States by processing billions of addresses per day, pulling out new and changed addresses as they're recognized, and utilizing other proprietary methods.
210+ million address network

FLEXIBLE OPTIONS

To help match your needs, you choose which state(s) you need, the fields in your list, and whether to include non-USPS addresses as shown in the tables below. Contact Sales for a full list.
To get more familiar with the fields and data, get a free sample address file.
National & State Lists
Region
US Verified Addresses
US Verified P.O. Boxes
US Non-USPS Addresses
Total
US / All States
180,079,980
20,742,256
20,310,782
221,133,018
California
18,086,628
1,925,537
1,289,411
21,301,576
Texas
15,155,315
1,598,535
1,915,137
18,668,987
Florida
12,834,341
1,065,078
2,150,027
16,049,446
New York
11,309,268
1,002,683
1,013,501
13,325,452
Pennsylvania
6,704,376
759,313
663,334
8,127,023
See all statesArrow Icon
Basic Fields
check markFull street address and unit information in a single address line
check markCity
check markState
check markZip
check markPlus4
check markCounty Name
check markCounty FIPs Code
check markSmartyKey™
Premium Fields
All the Basic Fields, plus the following:
check markBusiness / Residence flag (RDI)
check markParsed fields from the address line, including:
  • Address number
  • Address Predirectional
  • Address street name
  • Address street suffix
  • Address Postdirectional
  • Address Unit Type
  • Address Unit Number
check markA Parent flag for an address that has secondary units attached to it
check markFor records with a Parent flag, the number of units associated with the Parent Address
check markSecondary addresses will include the SmartyKey™ of the Parent address, providing the Parent/Child link
check markAlias address records, as indicated by an Alias Flag field
check markShared Delivery Point (addresses which share a common postal delivery address)
Premium+ Fields
All the Basic and Premium Fields, plus the following:
check markLatitude
check markLongitude
check markGeocode Precision
check markCensus Block Code
check markNon-USPS Addresses

Highest Accuracy

Of course, having lots of addresses doesn't help if their validity is in question. In fact, contamination of bad addresses often hurts more than it helps. That's why Smarty runs all the addresses in its United States address database through its enhanced matching engine to deliver industry-leading accuracy and address data you can rely on.
Example of an address with repeating data that can be verified by Smarty US Enhanced Matching
Example of an address with data order scrambled that can be verified by Smarty US Enhanced Matching
Example of an address with incorrect transcription & missing ZIP Code that can be verified by Smarty US Enhanced Matching
Example of an address with missing data that can be verified by Smarty US Enhanced Matching

SmartyKey™ - Persistent Unique Identifier

Meet SmartyKey™, a persistent unique identifier that's attached to every unique delivery point and packs a punch when it comes to superior data management, reporting, and analysis.
SmartyKey tracks the same delivery point over time, including changing city names, street names and even address numbers, eliminating confusion and duplication in your customer database. SmartyKey also helps you paint a clear picture for single delivery points that have multiple alias addresses. It also ties secondary addresses to their primary, or parent address.
Say goodbye to alias complexity and address fraud with SmartyKey which eliminates confusion and waste around duplicate addresses and makes data blending a piece of cake for even the most massive address files.
For more information, see the SmartyKey FAQ Page.
SmartyKey tracks multiple addresses at once

Parent and Child Addresses

Imagine not knowing how many children you have. It would be hard to make correct decisions about them, right? Well, many parent or primary addresses have child or secondary addresses, and it's you who need to know precisely how many so that you can generate the most meaningful, accurate reports for improved decision making. We'll tell you exactly how many, whether it's one or thousands.
Secondary Address Autocomplete

Better data - better future

What does the most comprehensive, accurate, clean, deepest-insight address data mean to you? It means superior marketing programs, product pricing, reporting, business analytics, decision making, and competitive advantage as you get clarity on the path to an improved future.
Businesses are leveraging master address lists in many ways to drive performance, including:
  • Data Blending
  • Market Research
  • Market Saturation Studies
  • Multi-Unit Address Analysis
  • Target Marketing Planning
Better data blending, market research, market saturation studies, multi-unit address analysis, and target marketing planning
Best-Value Pricing
Looking for the best value in US address lists? With Smarty, you get the most comprehensive and accurate list of verified, mailable US addresses along with industry-leading support, transparency, and pricing.
Now it's time to grab your favorite beverage, put your feet up on the desk, relax, and
Ahhhh exhale
because you've just been introduced to the industry's leading value in comprehensive national address databases.
Smarty is your smart choice.
GET A QUOTE
Contact Sales

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FAQ

How did Smarty build its US address database?

Smarty processes billions addresses per day and utilizes other proprietary methods to give you the most comprehensive and current lists of mailable addresses in the United States.

How does Smarty price its list of addresses?

Smarty offers industry-leading value for its lists of addresses. Pricing is transparent, simple, and flexible. You can choose the level of address field data and geography to customize pricing for your needs.

Can I send mail to Smarty's US Master Address List?

At this time, Smarty's US Master Address List is intended for use in data management, reporting, and analytics. Smarty customers must sign an agreement that they will not use the list for mailing unless they take full responsibility for complying with all laws and regulations related thereto.

How can I get a list of mailing addresses?

To get a list of verified addresses by state or for the entire US, just contact us. We can often get you a quote within minutes.

What is an address database?

An address database contains address data for delivery points. When most people refer to an address database, what they really mean is a dataset or list of addresses within the database. People seeking an address database are often looking for an address list within certain geographies. Address lists and data are used in multitudes of ways including shipping/mailing, geocoding and locating, and reporting and analytics.

What is a national address database?

A national address database contains address data for delivery points within a specific country. Smarty's US Master Address List is the most reasonably priced, complete, and accurate list of addresses in the US, featuring 210+ million verified addresses, each with a persistent unique identifier (SmartyKey) for superior data management, reporting, and analysis.

How much does a mailing list cost?

The cost of a mailing list varies based on your requirements. Mailing lists are often priced by the number of selected address fields and number of addresses or geography.

How do I get a list of residential addresses?

The Smarty US Master Address List contains both residential and commercial addresses. Smarty's premium list comes with the Residential Delivery Indicator (RDI) that tells you if a mailing address is a residential or business location.

What are non-USPS addresses?

Non-USPS addresses are locations that can receive deliveries like pizza and Amazon, but to which the USPS doesn’t deliver mail. For example, this would include people who live in remote areas and receive their mail at the post office. Smarty verifies and gives you access to 20 million+ non-USPS addresses in the United States, more than any other provider.

More FAQ

Select a category to see more information about a certain topic.

US Master Address pricing

We meticulously craft personalized solutions tailored to every facet of our customers’ business needs. Choose the perfect plan to match your mojo.

Free Sample

No credit card required
16,000addresses
Check markSample includes a segment of the United States
Check markCustom sample available upon request

Basic

200,000,000+addresses
8
data fields

Premium

200,000,000+addresses
23
data fields

Premium+

210,000,000+addresses
27
data fields
Explore All Pricing

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