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| | Code Area (Site not responding. Last check: 2007-09-07) |
 | | ZIP Codes are numbered with the first digit representing a certain group of U.S. states, the second and third digits together representing a region in that group (or perhaps a large city), and the fourth and fifth digits representing more specific areas, such as small towns or regions of that city. |
 | | For example, ZIP codes beginning with 0 and 1 are in use in New York; beginning with 2 and 5, in the District of Columbia; and beginning with 7 and 8, in Texas. |
 | | As a result of the change, ZIP codes in Maryland beginning with 200 were changed to new ZIP codes beginning with 207, 208, or 209, depending on their location, and ZIP codes straddling the D.C.-Maryland line were split Postal Zip Code. |
| www.code-area.com (2361 words) |
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