United States Telephone Area Code Boundaries, 2014

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Abstract/Contents

Abstract: This polygon shapefile contains the boundaries of telephone area codes in the United States. They are also known as Numbering Plan Areas (NPA). The Numbering Plan Areas reflect current and accurate boundary changes both where new NPAs split from existing NPAs and where new NPAs overlay existing NPAs. When an NPA is split, the geographic area covered by the old area code is divided geographically, with one portion retaining the previous area code and the other switching to the new area code. When a new NPA is added as an overlay, the old area code remains unaffected. Instead, all or part of the land covered by the old area code is now covered by two area codes. Data are represented at a scale of 1:250,000. This layer is part of the 2014 ESRI Data and Maps collection for ArcGIS 10.2.
Purpose: U.S. Telephone Area Code Boundaries provides the telephone area codes of the United States for use in telecommunications analysis.

Type of resource	cartographic, software, multimedia
Form	Shapefile
Extent	57.96
Publisher	Environmental Systems Research Institute (Redlands, Calif.)
Date valid	2014
Publication date	2014
Edition	2014
Language	English
Digital origin	born digital
Map data	1:250000 ; W 178°13ʹ40ʺ--W 65°14ʹ39ʺ/N 71°23ʹ26ʺ--N 17°55ʹ36ʺ, Scale not given ; EPSG::4326

Creator	Environmental Systems Research Institute (Redlands, Calif.)
Creator	TomTom North America, Inc.

Subject	Telephone > Area codes
Subject	United States
Subject	Puerto Rico
Subject	2014
Subject	Utilities and Communication
Genre	Geospatial data
Genre	Cartographic dataset

Location	https://purl.stanford.edu/wq040jg5974

Use and reproduction: These data are licensed by Stanford Libraries and are available to Stanford University affiliates only. Affiliates are limited to current faculty, staff and students. Non affiliates seeking access should contact the publisher directly. These data may not be reproduced or used for any purpose without permission.
Copyright: Copyright ownership resides with the originator.

Preferred citation: ESRI and TomTom North America, Inc. (2014). United States Telephone Area Code Boundaries, 2014. ESRI. Available at: http://purl.stanford.edu/wq040jg5974

ESRI data & maps : [electronic resource]

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