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US MasterAddress List
The ultimate cosmic list of 210+ million verified addresses, each with a persistent unique identifier and available at the national, state, or county level.
Try 16,000 addresses free
See the data points you can get for each address.
Right size your address list
Get a national, state, or county address list.
Explore custom US Master Address List plans
Dial in your ideal list by geography and the following data points to match your mojo.
| Data point | Data Description | Basic | Premium | Premium+ |
|---|---|---|---|---|
| SmartyKey® | Persistent, unique identifier for an address. An address will retain its SmartyKey, even in the case of aliases and street name changes, and different addresses are guaranteed to have different SmartyKey values. | |||
| SmartyKey EXT | Identifies singular locations with multiple addresses. For example, if an address has changed over time (e.g., renumbered, renamed, or reformatted), SmartyKey EXT recognizes that the old and new addresses refer to the same underlying location | |||
| First Line | Contains the delivery line (street address). This can include the composition of a primary number, street name, suffix, predirection, postdirection, secondary designator, and secondary number. | |||
| Primary Number | The house, PO Box, or building number. | |||
| Predirection | Directional information before a street name (N, SW, etc.) | |||
| Street name | The name of the street in each address. | |||
| Street Suffix | Abbreviated value describing the street (St, Ave, Blvd, etc.) | |||
| Post Direction | Directional information after a street name (N, SW, etc.) | |||
| Secondary Designator | Describes the location within a complex/building (ste, apt, etc.) | |||
| Secondary number | Apartment, suite, or office number, if any. | |||
| Urbanization | The neighborhood, or city subdivision; used with Puerto Rican addresses | |||
| City | The USPS default city name for this 5-digit ZIP Code | |||
| State | The two-letter state abbreviation. | |||
| ZIP | The 5-digit ZIP code. | |||
| ZIP4 | The 4-digit add-on code. | |||
| County FIPS | The 5-digit county Federal Information Processing Series code. It combines a 2-digit state FIPS code and a 3-digit county code managed by the ANSI (American National Standards Institute). | |||
| County | The name of the county for the address | |||
| RDI | Residential Delivery Indicator. Indicates whether an address is residential or commercial | |||
| Census Block Code | A 15-digit numerical code that identifies the block within a census tract | |||
| Census Place | The geographical area for an address as defined by the US Census Bureau | |||
| Non Postal | Indicates if an address is part of Smarty’s proprietary database of non-USPS addresses. | |||
| SDP Tag | Indicates USPS “Shared Delivery Points”. Many distinct addresses can share a USPS delivery point, such as a loft or basement apartment. These have their own distinct address. | |||
| Alias Flag | Indicates if an address is an alias of another address | |||
| Secondary Flag | Indicates if an address is a secondary (Apt, Ste, etc…) | |||
| Contains Secondaries | Indicates if an address contains secondary units | |||
| Secondary count | Indicates how many secondary units an address contains | |||
| Link to parent address | If an address is a secondary unit (Apt, Ste, etc…), this field will contain the SmartyKey of the base address | |||
| Latitude | A geographic coordinate that defines the north-south position of a point on Earth's surface. | |||
| Longitude | A geographic coordinate that specifies the east-west position of a point on the Earth's surface. | |||
| Precision | Indicates the precision of the latitude and longitude values. |
Elevate your address list with Smarty
Harness the power of comprehensive data
Comprehensive
Get every single address
Score the ultimate comprehensive list of verified addresses in the US, ensuring all-encompassing coverage.
Enhancement
Access 20 million non-USPS addresses
Go beyond the 193 million USPS addresses and tap into an additional 20 million non-USPS locations, broadening your reach to real-world living and working spaces.
Accuracy
Count on verified accuracy
Rely on Smarty’s unmatched precision; every address in the master address list is verified to be accurate and real.
Clarity
Leverage a persistent unique identifier (PUID)
Revolutionize data management with a SmartyKey® PUID for every address, enhancing data accuracy and simplifying complex address relationships..
Data connections
Analyze address relationships
Track and manage multiple associated addresses with our detailed breakdown of primary and secondary (parent and child) address connections, crucial for precise reporting and analytics.
Visualization
Discover more opportunities
Visualize locations via the mapping platform of your choice and unlock possibilities like a boss.
Blending
Improve data management
Deduplicate and blend data based on the address for improved analysis and decision-making.
Insights
Expand analysis capabilities
Leverage the highest-quality address data to power superior multi-unit analysis, saturation insights, and market research, securing a competitive edge in your market.
Get industry-leading awesomeness
M+
Verified US addresses
M
Non-USPS addresses
Persistent unique identifier for every address
Free trial addresses to test it out
Did we mention?
Unlimited, unmatched, free support
When you reach out to our Support Team, they answer promptly. And Smarty's Support Team is made up of experts — no novices, no phone trees, and no time-wasting scripts. Try us, and we think you'll agree our unlimited, no-cost support is better than other companies' paid support. Smarty support: powered by real intelligence.
Simple terms
Our terms and conditions are straightforward and easy to understand, and we try to keep revisions to a minimum.
Leading value with transparent pricing
Get straightforward pricing with no setup fees, commitments, or gimmicks. You can choose from flexible plans, including unlimited processing. Smarty's industry-leading value improves your bottom line without hidden fees or unwelcome surprises. Smiles only.
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
Sample includes a segment of the United States
Custom sample available upon request
Basic
200,000,000+addresses
8
data fields
Premium
200,000,000+addresses
24
data fields
Premium+
210,000,000+addresses
29
data fields
FAQ
How did Smarty build its US address database?
Smarty processes billions of addresses daily 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 address lists. You can customize your price by geography and data to match your budget. Pricing is transparent, simple, and flexible.
Can I send mail to Smarty's US Master Address List?
At this time, Smarty's US Master Address List is intended for data management, reporting, and analytics. Smarty customers must sign an agreement that they'll 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, they mean a dataset or list of addresses within it. People seeking an address database are often looking for an address list within specific geographies. Address lists and data are used in many 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 mailable addresses in the US. It features 210+ million verified addresses, 20+ million of which are considered non-USPS 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 priced by the geography (number of addresses) and the selected metadata fields.
How do I get a list of residential addresses?
Smarty's US Master Address List contains both residential and commercial addresses. Smarty's premium list comes with the Residential Delivery Indicator (RDI), which tells you if a mailing address is a residential or business location.
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