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USPS® address verification | Free tools and best options
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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.
What are ZIP+4 Codes?
April 6, 2018
ZIP+4 Codes are the last 4 digits of a nine-digit ZIP Code. A nine-digit ZIP Code is made of two parts.
County FIPS Codes
October 30, 2020
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.
How government services benefit from address data intelligence
July 20, 2023
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
June 13, 2023
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
May 26, 2023
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!
What's new?
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.
Improving the patient registration processes in healthcareLearn how to improve the patient registration process with digital workflows, address verification, and automation to reduce errors and speed check-in.
Healthcare revenue cycle management: Process, challenges, and best practicesLearn how healthcare revenue cycle management works and how accurate patient data improves clean claims, billing accuracy, reimbursement, and revenue performance.
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How many false positives is your address tool spitting out?
March 9, 2023
Address false positives are dangerous for businesses because it can lead to lost revenue, increased liability, and upset customers Smarty has the solutions!
How often should I re-verify addresses? - Smarty
March 5, 2017
How often should I reverify addresses in my database?
How parcel data helps you find property lines at scale
October 2, 2026
Learn how parcel data helps organizations identify property lines, improve GIS workflows, and support real estate and infrastructure planning.
How to add or change an address in Google Maps
February 10, 2026
This guide walks you through how to add or change an address on Android, iPhone/iPad, and desktop—and what to try when Google doesn’t update the info right away.
How to batch geocode and validate addresses in Excel
September 6, 2024
Batch geocode and validate addresses in Excel with Smarty’s plugin. Install, authenticate, and validate your addresses easily. Download and try it now.
How to batch geocode for the most precise results
September 23, 2021
To batch geocode, or perform batch geocoding, is the process of uploading a spreadsheet or list of addresses to a software provider.
How to convert an address to coordinates
February 14, 2024
Discover why transforming addresses-to-coordinates (conversion of street address to latitude and longitude coordinates) is vital for businesses. Find out now!
How to find latitude and longitude of an address
November 26, 2025
Learn how to find latitude and longitude of an address, improve accuracy, and use geocoding for better data, mapping, and business insights. Read more.
How to use APIs for address validation, standardization & more
October 4, 2019
Learn about the different types of Address APIs and how to use them for address autocomplete, validation, standardization, enrichment, and geocoding.
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