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You searched for: Format Shapefile Remove constraint Format: Shapefile Publisher Environmental Systems Research Institute (Redlands, Calif.) Remove constraint Publisher: Environmental Systems Research Institute (Redlands, Calif.) Subject Boundaries Remove constraint Subject: Boundaries Subject Telephone Remove constraint Subject: Telephone Institution NYU Remove constraint Institution: NYU Data type Polygon Remove constraint Data type: Polygon
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1. 2010 U.S. Telephone Area Code Boundaries

2010. U.S. Telephone Area Code Boundaries represents the telephone area codes for the United States. They are also known as Numbering Plan Areas (NPA). T... Environmental Systems Research Institute (Redlands, Calif.).