Akemi Iwaya is a devoted Mozilla Firefox user who enjoys working with multiple browsers and occasionally dabbling with Linux. She also loves reading fantasy and sci-fi stories as well as playing "old school" role-playing games. You can visit her on Twitter and Google+.
Mathematically, it’s possible for each area code in the United States to support a maximum of 8,000,000 telephone numbers. Practically, however, the number is slightly less than that (approximately 7,919,900 potential numbers) because of considerations like not assigning numbers that are similar to emergency and service numbers (e.g. there are no “(XXX) 911-XXXX” numbers).