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Popular guides

How to find the ZIP+4 Code for an addressDiscover easy methods to find the ZIP+4 Code for any address, enhancing your mail accuracy and delivery speed with our step-by-step guide.
How to verify an address with the USPSEnsure your mail reaches its destination by learning how to verify addresses with USPS. Our guide simplifies the process for you.
How to write a PO Box addressMaster the correct way to write a PO Box address with our clear examples and tips, ensuring your mail is always correctly addressed.
How to find address geocodesGet precise location data by learning how to find address geocodes. Our comprehensive guide makes geocoding straightforward and efficient.
How to fix the USPS insufficient address errorFrustrated with the USPS insufficient address errors? Our troubleshooting guide provides practical solutions to fix these issues quickly.
How to reverse geocodeUncover the process of reverse geocoding to convert coordinates into usable addresses with our detailed and easy-to-follow instructions.
How to tell if an address is residential or commercialDetermine if an address is residential or commercial with our helpful guide, making it easier to plan deliveries and services.
Address autocompleteArrow Icon
Suggests validated street addresses for users as they type to streamline processes. Learn more.
Address cleansingArrow Icon
Standardizing, correcting, and validating address data for better market insights. Learn more.
Address correctionArrow Icon
Reviewing postal addresses for accuracy and completeness for enhanced insights. Learn more.
Address dataArrow Icon
The components that make up an address or the information surrounding it. Learn more.
Address data glossaryArrow Icon
Learn about the many terms surrounding address data and what they mean for you and your business.
Address data intelligence benefits for government servicesArrow Icon
Government agencies benefit from address data intelligence in many different ways. Learn more.
Address data management "like a boss"Arrow Icon
If you need to collect address data for your business, then you need that data to be accurate.
Address exception handlingArrow Icon
Managing addresses not found in an authoritative database due to various factors. Learn more.
Address false positivesArrow Icon
False positives can damage a company's reputation, disrupt process flow, and much worse. Learn more.
Address Line 1 Arrow Icon
Should contain the building or house number, predirectionals, street name, and more. Learn more.
Address Line 2 Arrow Icon
A field that allows users to add secondary address information, such as unit numbers. Learn more.
Address lookup Arrow Icon
Learn the differences between reverse address lookups, parcel address lookups, and people search.
Address parsingArrow Icon
Taking an address or a string of text and breaking that address into parts. Learn more.
Address standardizationArrow Icon
Converts addresses to match national postal formats. Find out how it happens and why it's important.
Address standardization & validationArrow Icon
Address standardization and validation are 2 data quality services that Smarty provides. Learn more.
Address standardization APIsArrow Icon
An application programming interface (API) that can automatically standardize and validate addresses.
Address standardization during data entryArrow Icon
If you deal with addresses, Smarty has some tips. Start by validating and standardizing an address.
Address transliteration & how it's used in address validationArrow Icon
Converting characters in one alphabet to another while preserving phonetic representation.
Address validation services software & tools comparedArrow Icon
Many companies offer address validation services. Here's a comparison to help you meet your needs.
Address verificationArrow Icon
Address verification matters for your bottom line and improves your operations overall. Learn more.
Alternatives to Google's Geocoding APIArrow Icon
Google's Geocoding API is widely known, but there are other, affordable options to consider.
APIs explainedArrow Icon
Application Programming Interfaces (APIs) feel complex, but we're here to clear it up for you.
AVS vs. address validationArrow Icon
AVS vs address validation boils down to credit card fraud prevention vs. postal accuracy.
Batch geocode or batch geocodingArrow Icon
Uploading a spreadsheet or list of addresses to geocode in one fell swoop. Learn why it's valuable.
Can I validate an address while using Google Maps' addMarker?Arrow Icon
No. How was that for a fast answer? Google Maps's mapping service doesn't validate addresses.
Canada PostArrow Icon
Learn about Canada Post and how to use Smarty APIs to validate Canadian postal addresses.
CASS processingArrow Icon
Here, you can learn about CASS processing, why it's important, and why we have it at Smarty.
Changing street addressesArrow Icon
Why ZIP Codes and other address parts change, the problems this creates, and how to manage changes.
Common configurations when setting up Smarty's address autocompleteArrow Icon
Fine-tune address autocomplete using Smarty’s API parameters for a customizable experience.
Comprehensive guide to formatting international addressesArrow Icon
Best practices for formatting international addresses and boosting your ROI with Smarty's products.
Converting an address to coordinatesArrow Icon
Discover why converting a street address to latitude and longitude coordinates is vital for businesses.
County dataArrow Icon
County data may surprise you, and having that information gives you a leg up on your competition.
County FIPS CodesArrow Icon
County FIPS Codes are 5-digit numbers used to designate each county across the United States.
Data consolidation & merging datasets using addressesArrow Icon
Combining all of an organization's data into one list, eliminating duplicates & standardizing info.
Data governanceArrow Icon
A set of principles and standards that dictate the organization and unification of data.
Data managementArrow Icon
Facilitating data control and flow, from the data's creation to processing, accessing, and deleting it.
Data security with SmartyArrow Icon
Smarty doesn't sell, distribute, persist the storage of, or in any way abuse your data. Learn more.
Decimal degrees & what they meanArrow Icon
Smarty provides geocodes formatted as decimal degrees and delivers a 5 or 6-decimal geocode.
Delivery Point Validation (DPV)Arrow Icon
Wondering about Delivery Point Validation (DPV)? We'll explain what it is, AND how you can use it.
Determine if a suite or apartment number is validArrow Icon
Here, you can learn about how to determine whether or not a suite or apartment number is valid.
Deutsche PostArrow Icon
Learn about the German Postal Service and how to validate an address in Germany using Smarty.
Does Google parse and / or standardize addresses?Arrow Icon
Google doesn’t consistently parse address data, and there are other limitations to consider, too.
Ecommerce automatic address verificationArrow Icon
Stop cart abandonment and shipping failures. Automatic address verification streamlines checkouts.
Ecommerce checkout best practicesArrow Icon
Reduce cart abandonment and boost conversions with mobile-friendly checkout, guest options, and more.
Excel batch geocoding & validating addressesArrow Icon
Batch geocode and validate addresses in Excel using Smarty’s plugin. Here's how to do it well.
FFIEC geocodingArrow Icon
Optimize financial reporting with FFIEC Geocode and Smarty's solutions. Enhance your data quality.
Find a county by using a ZIP CodeArrow Icon
If you know the ZIP Code or city for an address, you can find out what county it's located in easily.
Finding a quality address validation APIArrow Icon
There are two main qualities that will help you determine if an address validation API is a good. Learn more.
Free knowledgeArrow Icon
Knowledge is important. We'd like to give you some address-based knowledge for free.
French postal codes & the French address formatArrow Icon
Here's how to find a French postal code and examples of France's address format. Learn more now.
GeocodesArrow Icon
The GPS coordinates (or the latitude and longitude) of a physical address. Enhance your data.
GeocodingArrow Icon
Finding geographical coordinates for an address or place is possible. Here's how to do it well.
Geocoding APIs: Esri vs. Smarty & GoogleArrow Icon
Geocoding APIs are out there, but how do you choose the right one for your organization? Read on.
Google address validation APIArrow Icon
Google's address validation API vs. Smarty's API. Let's talk facts.
Google Sheets geocoding & address validationArrow Icon
Learn to validate and geocode addresses in Google Sheets with Smarty’s extension.
HTTP explainedArrow Icon
"HyperText Transfer Protocol" is the computer communication protocol used most on the Internet.
Implementing additional parameters to address autocomplete in HubSpotArrow Icon
Enhance Smarty's autocomplete in HubSpot forms with parameters to filter by state and more. Read on.
Implementing US Address Autocomplete in HubSpotArrow Icon
Enhance CRM data with US Address Autocomplete in HubSpot. Create custom HTML forms for your business.
International address validation & foreign address formatsArrow Icon
Want to look up and validate international addresses? We’ll show you how to do it well.
International geocoding: Around the GPS in 80 daysArrow Icon
Geocoding uses a postal address to identify the GPS lat/long coordinates of that location.
Is move-update / NCOA required?Arrow Icon
NCOA usually costs ~ $200 in "setup fees" with a varying price/address. We don’t provide NCOA service.
LACSLink® explainedArrow Icon
Wondering what LACSLink® is and why it's important? Smarty has the answers here.
Latency explainedArrow Icon
Network latency is simply referring to the delay in communication across different networks.
Mailable, shippable & deliverable addressesArrow Icon
The difference between mailable, shippable, and deliverable addresses is important to understand.
Mappable vs. ValidArrow Icon
A "mappable" address isn’t necessarily "valid" or officially recognized (mailman-deliverable).
My geocode service won't give me ZIP+4 Codes. Why?Arrow Icon
You want to get the ZIP+4 Code for an address, but what do you do if your provider doesn't have them?
National address databasesArrow Icon
National databases are used beyond mailing, including market research, data management, and more.
Non-USPS / non-postal addressesArrow Icon
Discover why USPS skips some addresses and how Smarty’s database includes 20M+ non-USPS addresses.
Open-source address scrubbersArrow Icon
Open source or free? They mean different things and can change how you approach address cleansing.
Personally identifiable information (PII)Arrow Icon
PII (personally identifiable information) is data that permits the identification of an individual.
PO Box–only ZIP CodesArrow Icon
Is there a list of ZIP Codes where the USPS doesn't deliver to physical addresses? Yes.
Popular lat / long providersArrow Icon
Need lat/long coordinates associated with a physical address? Here's what you're looking for.
Postal address examples & formatsArrow Icon
Every country has a different mailing address format. Knowing the format before sending matters.
Postal address keys as persistent unique identifiersArrow Icon
Learn all about address keys and why they need to be PUIDs (persistent, unique identifiers).
Postal codesArrow Icon
Postal codes are strings of numbers (and sometimes letters) that help postal services determine where...
Project US@Arrow Icon
Project US@ is a pioneering initiative with technical guidelines and standards to format data.
Property dataArrow Icon
Understand property data, from real estate attributes to ownership details for better market analysis.
Qualified health information networks (QHIN)Arrow Icon
Qualified health information networks (QHINs) are digital spaces where health information is shared.
Re-verifying address data frequency and timelinesArrow Icon
Keep your address data up to date; we recommend performing address verification at least every 90 days.
Rejected address meaningArrow Icon
I just ran some rejected addresses. What does that mean? We'll tell you.
Residential Delivery Indicator (RDI)Arrow Icon
What is RDI/where can you find it? Read on to learn more about the Residential Delivery Indicator.
Reverse geocodingArrow Icon
Convert latitude and longitude coordinates (a geocode) to an address using US Reverse Geocoding.
Royal MailArrow Icon
Curious about how to format an address to England? We've got you covered with address facts here.
Saving money with Enhanced Line of Travel (eLOT) from USPSArrow Icon
Discover how Enhanced Line of Travel (eLOT) makes mail delivery and bulk mailing simple.
Secondary addressesArrow Icon
Unlock the potential of secondary address data with Smarty's US Secondary Address Data.
Service level agreements Arrow Icon
An SLA (service level agreement) is a part of a standardized service contract. Learn more.
Street addresses vs. PO BoxArrow Icon
From a financial standpoint, the USPS prefers to deliver mail to a PO Box. Find out why.
Telecom strategies for address dataArrow Icon
Unlock telecom success with US Address Verification and geocoding. See their role in network optimization.
Truck rolls & reducing costArrow Icon
Discover what a truck roll is, why it's costly for businesses, and how you can reduce expenses.
Unique ZIP CodesArrow Icon
Some organizations (large businesses, universities, or government agencies) receive unique ZIP Codes.
UPS address validation features & limitationsArrow Icon
While the address validation service offered by UPS can be useful, there are several limitations.
URLs explainedArrow Icon
URL stands for Uniform Resource Locator, a way to reference a resource like a web page on a network.
Using APIs for address validation, standardization & moreArrow Icon
An application programmatic interface (API) that processes postal and non-postal addresses.
Using regular expressions for street addressesArrow Icon
Wondering how to use regular expressions for address validation? We've got you covered.
Using the Smarty .NET SDK in C#Arrow Icon
Learn how to use Smarty's .NET SDK in C#. Read the article or watch the YouTube video.
Using the Smarty PHP SDKArrow Icon
Learn how to use Smarty's PHP SDK. Read the article or watch the YouTube video.
Using the Smarty Python SDKArrow Icon
Learn how to use Smarty's Python SDK. Read the article or watch the YouTube video.
Using the USPS APIs in C#Arrow Icon
Do you want to know how to use USPS's API in C#? We'll show you and share step-by-step instructions.
Using the USPS APIs in PHPArrow Icon
Do you want to know how to use the USPS's API in PHP? We'll show you how with step-by-step info.
Using the USPS APIs in PythonArrow Icon
Do you want to know how to use the USPS's API in Python? We'll show you how, step-by-step.
USPS's address verification pros & cons Arrow Icon
Learn how to verify and standardize addresses with USPS while understanding its limitations.
USPS's API & address validationArrow Icon
An address validation API provided by the United States Postal Service. Learn all about it.
USPS's CASS certification vs. NCOA certificationArrow Icon
Learn about these methods of address data verification and which you should be using.
USPS's CASS Cycle O: A comprehensive guideArrow Icon
Introducing USPS CASS Cycle O, enhancing address validation with precision and efficiency.
USPS's Coding Accuracy Support System (CASS)Arrow Icon
CASS™ stands for The Coding Accuracy Support System. It's a tool created by the USPS®.
USPS's inactive or no-stat addressArrow Icon
Inactive and no-stat addresses. Learn what they are, the reasons they occur, and how to update them.
USPS's insufficient address mail fixesArrow Icon
Prevent USPS "Insufficient Address" issues with USPS CASS-Certified address validation.
USPS's preference on PO Box vs. street addressArrow Icon
Does the USPS have a preference? There's no official answer to that, but here's what we do know.
USPS's new construction & address not recognized explainedArrow Icon
Learn how to resolve USPS 'new construction address not recognized' issues with practical steps.
Validate an address using [programming language of your choice]Arrow Icon
A lot of programmers want to know how to validate an address using their language of choice.
Validation / verificationArrow Icon
Address validation is the process of checking a mailing address against an authoritative database.
Who can validate addresses for me?Arrow Icon
If you're looking for address validation, a quick Google search brings up a couple noteworthy names.
Why should I present the validated address back to my client for review?Arrow Icon
You don't have to, but it's good practice to send addresses back to your customer for review. Why?
ZIP Code APIs & what to look forArrow Icon
ZIP Code APIs provide developers with comprehensive access to the data found in the official database.
ZIP+4 Codes explainedArrow Icon
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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