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MAP: Washington D.C. Area Codes
All area code maps on this site were acquired from the
North American Numbering Plan information
site. The maps themselves were generated for NANPA.COM by
Geographic Data Technology.
This is an area code map of Washington D.C. as of 2001, showing the current borders
of area codes within this given state. In many cases, a single area code has
been split into two or more other area codes, meaning that BBS numbers from
the 1980's might not be accurately reflected from this map. A simple rule
of thumb is that any area code with a 1 or 0 for the middle digit was probably
the area code for all the state around it that is now populated by area codes
with 2-9 in the middle digit.
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