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You searched for: Author ESRI Remove constraint Author: ESRI Author Tele Atlas North America, Inc. Remove constraint Author: Tele Atlas North America, Inc. Subject Public utilities Remove constraint Subject: Public utilities Data type Polygon Remove constraint Data type: Polygon
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1. USA (Telephone Area Code Boundaries, 2006)

ESRI and Tele Atlas North America, Inc. U.S. Telephone Area Code Boundaries represents the telephone area codes for United States. They are also known as Numbering Plan Areas (NPA). Tele Atlas North America, Inc.