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USPS address verification tools validate, verify and standardize addresses to the USPS format. We'll show you how, share limitations, and give better options.
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ZIP+4 Codes are the last 4 digits of a nine-digit ZIP Code. A nine-digit ZIP Code is made of two parts.
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How to lookup county FIPS Codes by address, ZIP Code and city. County FIPS Codes are 5-digit numbers that identify each county in the United States.
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With millions of addresses in the US alone, it can be a pain to ensure that your database is accurate. See how Smarty ensures accuracy for the city of Miami.
Address Line 1 meaning, uses, placement, and examples
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Address Line 1 contains house numbers, street names, and suffixes, among other data points. We've compiled all you need to know here, check it out now!
Google Address Validation API | What Google isn't telling you
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Check out how Google's address validation API stacks up against Smarty's legendary and lightning-fast address validation API. We have all you need here!
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HIPAA data governance | Best practices for healthcare dataLearn how HIPAA data governance protects PHI through data quality, access controls, audit trails, and address verification best practices.
Optimize field service management with accurate address data | Improve routing & efficiencyTelecom teams can boost routing, scheduling, and customer service by optimizing field operations with precise, verified address data.
How parcel data helps you find property lines at scaleLearn how parcel data helps organizations identify property lines, improve GIS workflows, and support real estate and infrastructure planning.
What is data enrichment for P&C insurance?Learn how clean address data, rooftop geocoding, and verification enrich insurance workflows for better underwriting, claims, and customer records.
P&C reinsurance risk modeling: Why data accuracy determines outcomesReinsurance data enrichment is transforming underwriting. See how Smarty helps reinsurers verify and enrich submission data for smarter risk decisions.
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What are non-USPS/non-postal addresses?
November 15, 2024
Discover why USPS skips some addresses and how Smarty’s database includes 20M+ non-USPS addresses for reliable delivery insights. Try our tools now!
What are postal codes? Meaning, formats, and how they work worldwide
September 20, 2020
Learn what postal codes are, how they work worldwide, how ZIP Codes differ, and why businesses use postal codes for accurate deliveries and address verification.
What are qualified health information networks (QHIN)?
October 2, 2024
QHINs securely share health data across healthcare entities. Smarty’s tools ensure accurate address data to help organizations meet certification standards.
What are service level agreements?
March 4, 2017
Curious about SLA, or Service Level Agreements? Smarty has you covered with a quick explanation or a more in depth answer if that's your thing. Check it out!
What are URLs?
May 17, 2016
Are you curious about URLs? Let Smarty break it down for you with easy-to-understand sections with examples. Find out all you need to know about URLs now!
What is a national address database?
August 10, 2022
Learn what a national address database is & how it's used beyond mailing, including market research, data management, & business operations to drive results.
What is a Residential Delivery Indicator (RDI), and where to find it
September 11, 2019
What is RDI, and where can you find it? Use our single address validation tool or API to see if an address is residential or commercial. Try it now!
What is address validation/verification?
February 4, 2016
Address verification is a little more complicated than checking addresses against an authoritative database. Here’s how it typically works, in four steps.
What is an API?
May 17, 2025
What is an API? In short, it's an Application Programming Interface. Looking for more information, then this article is perfect for you. Check it out now!
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