Is There Any Preference Between a Street Address and PO Box?
Which should come first, the PO Box or the street address? Is there really a difference?
The Difference Between "Mappable" and "Valid"
Google maps can find this address, why does SmartyStreets say that it's not a valid address?
ZIP Codes 101
What is a ZIP code and how can I understand more about it without first working as a postal employee for 20 years?
Why You Get Returned Mail
Even after verifying the address, mail can still be returned on occasion. That's up to the recipient and mailman.
How does the autocomplete service work and why does it sometimes return addresses that aren't valid?
- Why SmartyStreets
- Why You Get Returned Mail
- How Do I Tell if This Address Is Real?
- Standardizing and Validating Addresses
- Extra Address Information
- Improving Address Data
- How Do I Get Geocodes?
- Do I need and Apt. or Suite #?
- Baking a Batch: Processing Multiple Requests at Once
- Why Won't My Address Verify/Validate?
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