I have got a little problem. I have data which I want to map but the thing is that I dont have real location names just the short forms like: SANSAN210 OR miamia305 which I think is the the state and the county and the area code phone number. Does anyone how to convert this so I can map it on the us map?
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All you need is the area code (or possibly the county-areacode intersection). There are area code maps as shapefiles. Use
readShapePolyorreadOGRand merge the two.