You can also find free data to use with Esri products. Mass. for Massachusetts) would be too long for address labels used on magazines when the ZIP code was added. The main town in a region (if applicable) often gets the first ZIP codes for that region; afterward, the numerical order often follows the alphabetical order. Autodesk Autodesk has a series of software applications designed to meet GIS needs in a variety of areas that interfaces with their CAD software. For example, the Northern Virginia sectional center facility in Merrifield is assigned codes 220, 221, 222 and 223.

In general, the first three digits designate a sectional center facility, the mail sorting and distribution center for an area. Intergraph also offers SMMS for GeoMedia which is a desktop tool for geographic metadata creation and geographic data management. Different geographic boundaries, such as counties and ZIP Codes, can be mixed in your territory design. Simultaneously with the introduction of the ZIP code, two letter state abbreviations were introduced. FlowMap FlowMap is a freeware application designed to analyze and display flow data.

Quantum GIS Also referred to as QGIS, Quantum GIS is an Open Source Geographic Information System (GIS). Terrain Tools Terrain Tools, produced by Softree, is a software package for surveying and mapping. Through an Active X component, developers can embed mapping applications into other applications such as Excel. In essence the mail for the Kenton County Airport Board has an Ohio ZIP code but the physical address of the airport is a Kentucky ZIP code. [ 10 ]. AGISMap AGIS for Windows is a mapping and simple GIS package specifically designed to be easy to use, and distributed as shareware via the world wide web.

In some cases, a sectional center facility may serve an area in an adjacent state, usually due to the lack of an appropriate location for a center in that region. TNTLite TNTLite MicroImages, Inc. provides TNTlite as a free version of TNTmips , the professional software for geospatial data analysis.