MAF, the Master Address File
MAF is a database containing United States addresses plus complete automatic address correction software for Windows computers.
MAF servers were available until March 12, 2018.
You can still download the final client tools, source code, and documentation.
Frequently asked questions about MAF
Tools and data included in MAF
Outputs generated by MAF
Screenshots: Browsing, lookups, batch processing, exporting.
Standardize, validate, and geocode addresses
Fully exportable records for building custom lists and databases
Includes program-to-program source code examples for custom access
Automatically process databases of any size
Automatically generate bulk mail forms 3600 and 3602
Easy-to-use point-and-click interface
Any number of employees and clients can simultaneously use all tools and data
Includes fonts for postal barcodes
Finds latitudes, longitudes, tracts, and blocks
Detects residential, commercial, and mixed-use addresses
Any speed, volume, or frequency of use you wish
No throttling, no data limits, no deadlines, no uploads
Full complement of canned interactive and batch tools
Scrollable windows on databases
No programming or scripting necessary
Geographically dispersed server farms
Automatic failover for complete redundancy
High speed overlapped processing for zero network latency
Completely encrypted for total privacy
Simple interface, easy to customize
Resell or create a private service with no restrictions