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Excellent telephone services are available in the United States. Either land line and cellular (mobile) phones are used. The phone system in the U.S.A. is handled by private companies like Verizon, Bell South and SBC. Phones are not allocated by the government or government-owned companies. AT&T, Verizon, Qwest, Sprint and MCI are long distance service providers. Obtaining a phone connection is fast and easy. Simply call the phone company and request that they activate a connection. Usually there is a onetime connection fee for a phone line. Each telephone number has an assigned area code. All area codes are three-digits long and phone numbers are seven-digits.

The Federal Communications Commission (FCC) has rules requiring telecommunications equipment manufacturers and service providers to make their products and services accessible to people with disabilities. The standard requires companies to incorporate access features that are easily accomplishable without much difficulty or expense and be accessible to a person who is blind or deaf.

Sometimes you want to find out who is behind a phone number that calls your phone. Printed reverse phone directories (also known as a gray pages directory, criss-cross directory or reverse phone lookup) have been produced by telephone companies in the US for decades, and were distributed to law enforcement and public libraries. In the early 1990s, businesses started offering paid reverse telephone look up.

Important phone numbers in USA
Emergency ( Police, Fire, Ambulance ) - 911 (in most areas) - free of charge
Local phone directory assistance - 411 - charges may apply
Long distance phone directory assistance - 1-(areacode)-555-1212 - charges may apply
Toll free number inquiry - 1-800-555-1212
National Association of Attorneys General (NAAG) 202-326-6000

Beware of Scams Affecting Your Phone Bill - Article published on, the U.S. government's official web portal to all federal, state, and local government web resources and services.

Most harassing phone numbers in USA

202-427-2637, 574-406-8672, 239-234-4377, 502-528-6038, 202-653-6985, 305-357-0810, 239-400-2950, 800-515-5884, 530-617-3182, 310-256-2639, 678-374-4961, 213-444-1234, 646-369-1396, 202-756-3647, 202-559-7648, 385-383-0007, 202-316-8196, 718-374-6038, 401-214-1894, 718-551-9487, 618-663-4497, 248-292-2029, 212-223-3333, 779-225-5068, 623-209-8628, 206-823-3066, 901-290-0376, 410-764-5323, 801-877-0165, 619-363-9188, 513-696-1920, 877-274-6626, 954-248-3329, 919-659-5636, 608-490-8494, 920-550-4483, 425-336-8099, 470-273-6093, 207-554-1196, 254-294-7646, 202-407-3261, 703-239-6351, 954-507-5081, 888-731-2096, 917-398-9308, 417-295-3026, 512-948-2503, 855-904-7781, 800-347-9623, 763-307-5755