Drop in an address and ZipAudience validates it against deliverability records and rewrites it to clean USPS format, completes the ZIP+4, and tells you whether it is residential or business and whether it is vacant, so bad addresses get caught before you print a single label.
Input
123 Main Street, Austin TX
Standardized
123 Main St
Austin, TX 78701-2204
Type
Residential
Vacancy
Occupied
ZIP+4
78701-2204
DP code
23
Batch · 4 of 1,200
500 Market St, San Francisco, CA 94105-2708
500 Markett St, San Fran CA
1600 Pennsylvania Ave NW, Washington, DC 20500-0003
1600 Pennsylvania Ave, Washington
Ambiguous, confirm state
742 Evergreen Ter, Springfield
No match in deliverability records
99 Nowhere Rd, Denver CO
Each address is checked against deliverability records and rewritten to USPS format, or flagged when it cannot be confirmed.
The problem
Addresses get typed by humans, copied between systems, and abandoned when people move. A single transposed digit, a missing ZIP, or a street name spelled three different ways quietly poisons your data. You don’t find out until the mailers come back, the package is undeliverable, or your records no longer match anyone’s reality.
The market gap
Standalone address tools usually mean a separate account and another export-and-reimport loop just to clean a column. ZipAudience verifies and standardizes addresses inside the same place you build and use your lists, so clean, deliverable, consistently formatted data is the default, not a side errand.
How we solve it
Our verification engine checks each address against deliverability records and returns a single clean, USPS-formatted result, plus the details you need to mail it well, or a clear note when it cannot be confirmed.
Confirms the address is a real, mailable location and returns a validity status, not a typo or a ghost.
Rewrites to clean postal format: proper street suffixes, casing, and abbreviations.
Fills in and corrects the full ZIP+4 to maximize deliverability.
Tells you whether the address is a home or a business location.
Flags addresses reported as vacant so you can skip mail that will not be read.
Returns the delivery-point code so your records carry mailing-grade precision.
Clean, standardized addresses are what make geographic targeting and enrichment actually work. Save the verified record to your account and ZipAudience can map it, match it to a list, and feed accurate data into your campaigns, instead of letting messy addresses corrupt everything downstream.
How it works
Verify a single address, or upload a CSV and map your address columns for a bulk run.
Each address is checked for deliverability and rewritten to USPS format.
See the standardized address, ZIP+4, validity, residential or business, and vacancy, or the reason it could not be confirmed.
Take the clean result into your lists, mailers, and lookups.
Catch undeliverable addresses before you spend on print and postage.
Standard formatting makes de-dupe, joins, and reporting reliable.
Completed ZIP+4 and corrected suffixes get pieces to the door faster.
Residential vs business and vacancy let you target and trim before you mail.
Addresses are validated against deliverability records and standardized to USPS conventions: proper suffixes, casing, abbreviations, and a completed ZIP+4. The result is the clean, mailable form of each address, with anything it cannot confirm flagged instead of guessed.
Yes. It validates and standardizes US mailing addresses nationwide, including residential and business locations.
A validity status, the completed ZIP+4, whether the address is residential or business, vacancy status, and the delivery-point code, where available.
Yes. Verify a single address instantly, or upload a CSV and map your address columns to run a batch. Bulk results are saved to your order history.
Validate and standardize your addresses before you spend on print and postage.
Verify an addressHelp others discover what ZipAudience can do.
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