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How To Select A
ZIP CODE Ministry Area Boundary |
| ZIP CODES
are another simple way to define your study area. Most of us are already
familiar with our local zip code areas, and if we aren't quite sure, we
can usually find a zip code map online, or in our local telephone
directory. A zip code boundary may consist of one zip code (as
in the shaded area in the illustration below) or a group of zip
codes (such as the surrounding zip codes in the same illustration). |
| You may want to consider an optional boundary, such as
RADIUS, or a hand drawn boundary, called a POLYGON. |
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