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Address & Street Data
Verifies, corrects & appends Names, Addresses, Phones and Emails. Updates address of movers.
Address Check 
Cut & paste an address for quick & easy verification. Express Entry for fast & accurate address entry.
House Numbers by ZIP 
Use this address finder if you know the ZIP and the house or building number.
Street Names by ZIP 
Find any address by street name.
Global Address Check 
Verify, Check & Correct addresses worldwide. For batch jobs use Listware.
Property Viewer 
Click on a map of Properties and get information about the Owner and Resident or Business.
Batch Address Check 
Verifies & corrects addresses in a batch from a spreadsheet.
 ** Listware Online **
Property Info 
Owner's name, assessed value, mortgage amount, sales price & more. Subscribers only.
Geocoder (Lat/Long) 
Get the latitude & longitude for a 5 or 9-digit ZIP Code.
Radius Searches
ZIP Codes in a Radius 
Get a list of the ZIPs in radius from a center ZIP Code.
Carrier Routes Radius 
Displays the Carrier Routes in a radius with delivery counts.
Area Codes in a Radius 
Displays a list of Area Code + Prefix combinations in a radius.
Everything ZIP Codes
ZIP / City / Phone
Get geographic & demographic info related to a ZIP, city or phone.
Carrier Routes by ZIP
Get a list of Carrier Routes by 5-digit ZIP Code.
Distance Between ZIPs
Find distance in miles between two 5-digit ZIPs in the U.S.
ZIP Codes by County
Get a list of ZIPs by county.
ZIP Codes by City
Get a list of ZIP Codes with addresses in a city.

MAILERS Online is an end-to-end mailing solution to prepare USPS compliant direct mail with minimal effort. It includes these services:
  • CASS & PAVE Certified
  • 48 Month NCOA
  • Removes duplicates
  • First & Standard Class
  • Destination Discounts
  • Profit & Nonprofit
  • Postal Reports
  • Up to 1,000 free credits each month.

ZIP+4 Code
Names, addresses and phones in a ZIP+4 Code. Subscribers only.
Lat. & Long. to ZIP+4
Enter a latitude & longitude point, get nearest ZIP+4 Code.
Home Sales by ZIP Code
The number of home sales and average price by ZIP Code. Updated monthly.
Marketing Data
Personator Search 
Find People Nationwide by name, address, phone or email.
Global Phone Check 
Verify Global Phone numbers worldwide.
Business Coder 
Lookup any company in the U.S. Get annual sales, number employees & type of business.
Global Email Check 
Verify an email address and get associated name & mailing address.
IP Location 
Find city, state and country of an IP address worldwide.
Business Counts by ZIP 
Get a list of business counts and SIC codes by ZIP Code.
Listware Online
  • Address Check & Correct
  • U.S, Canada & Global
  • Move Update
  • Email & Phone Verify
  • Demographics
  • Property Information
  • Geocoding
  • Date of Birth & Death
  • Excel & Online versions
  • Up to 1000 Free Credits every month.
Get Started Now

SIC Codes 
Get counts of businesses based on type or SIC code by state.
Nearest Post Office 
Find closest Post Office that accepts bulk mail.
Nearest Mailing Houses 
Find a preferred direct mailer or letter shop in your area.

Federal Resources
Nonprofit Organizations 
Get information on nonprofits by ZIP, Name or Tax I.D.
Public Schools 
Get information on schools by name, district, or location.
Death Check 
Search for a person that has died in the last 24 months.
Campaign Contributors 
Find contributors to federal campaigns by ZIP Code.
Listware Desktop
All the power of Listware on your desktop. Verify, correct & enhance Names, Address, Phone & Emails. This free program is open sourced, allowing your programmers to adapted it your needs. Written in C#, it is fully documented.

Free Download

Statistics & Averages
Climate Averages 
Find daily and monthly average temps and rain fall by ZIP Code.
Web APIs
Easy to use data quality tools to prevent fraud, lost shippments and returned mail.
  • Global Address
  • Global IP location
  • Property Info.
  • Personator
  • Global Email
  • Global Business
  • Global Phone
  • REST input
  • JSON or XML output
Learn More

Maps and Aerial Views
ZIP Code Maps 
5-digit ZIP Code boundary maps.
Carrier Route Maps 
Boundary map of a Postal Carrier Route.
Global Postal Codes 
Postcode boundaries overlaid on a map of the country with cities and roads.
Carrier Routes by ZIP 
Displays Carrier Routes within a map of a 5-digit ZIP Code.
County Maps 
Displays a county boundary map with cities, towns & roads.
Place Maps 
Displays city, town & CDP boundary maps & demographics.
School District Maps 
Displays public school district boundary maps.
Congress Maps 
Maps of congressional districts & information on representatives.
Census Tract Maps 
Maps of Census tracts.
Census Block Map 
Displays a map overlaid with a census block boundary & address markers.
State Legislative Maps 
Maps state upper & lower house districts.
Neighborhood Maps 
Maps of neighborhoods by State.
County Subdivisions 
Displays boroughs, townships, villages, districts & barrios.

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