User:Folder1/Books/North America: Area Codes

North American Numbering Plan

 * List of North American Numbering Plan area codes
 * North American Numbering Plan
 * List of original NANP area codes
 * List of area code overlays
 * North American Numbering Plan expansion
 * Number pooling
 * Seven-digit dialing
 * Ten-digit dialing
 * Vertical service code
 * Mobile dial code
 * Enhanced 9-1-1
 * 555 (telephone number)
 * Index of telephone-related articles