U.S. area calling codes

[AK] [AL] [AR] [AZ] [CA] [CO] [CT] [DC] [DE] [FL] [GA] [GU] [HI] [IA] [ID] [IL] [IN] [KS] [KY] [LA] [MA] [MD] [ME] [MI] [MN] [MO] [MP] [MS] [MT] [NC] [ND] [NE] [NH] [NJ] [NM] [NV] [NY] [OH] [OK] [OR] [PA] [PR] [RI] [SC] [SD] [TN] [TX] [UT] [VA] [VI] [VT] [WA] [WI] [WV] [WY]


Cell phone Numbers

Everyone has a several “adresses”, which help to find us among a freat diversity of people all over the world. For example, a phone number – several numbers in a strict sequence, which differ one user from others. When phones just appeared the numbers were really short and allow to communicate just with your neighbors. Now the phone system has become huge and international, that’s why cellular numbers have become longer and more complex in comparison with the first one. It works the same for both under contract or pay as you go cell phones. By the way, cell phone numbers is often used for another devices, like fax machines or computers.

Country Codes

CCITT was the first organization, which created the formal list of telephone country codes, it was the serious part of CCITT Blue Book, printed in 1964 first time. The CCITT Blue Book also includes international recommendations in phone and other communicatins area. Now it become a famous ITU-T recommendation E.164. The oldest system of country phone codes appeared in Europe – CCITT Red Book, it was codificated in early 1960. Some codes was accepted in a CCITT Blue Book too and remain in use up to nowdays. For example, +33 is a France code and +44 is the United Kingdom one.

Phone Cards

Everybody knows small cards, resemble to a usual credit or discount cards, for telephone services paying. There are two types of such cards: cards with the prepaid balance or with the credit card system. Usually payment system and the way of using card for communication depends on the country and service provider. Now the most popular systems work with the prepaid calling cards, the cost of these cards depends on the balance. After calling a sum is taken from the balance. Sometimes the balance is counted in national money or specific points, equal to money. When your balance is over you just buy new card, some phone cards can be refilled, but the most of them are disposable. Now many phone communications companies offer a card with the printed PIN-code for a charging calls to one account. Nowadays there two different technologies for a telephone cards: stored-value and remote memory.

In phone cards with the remote memory system the balance is not on the card, it’s just symbolized. This technology uses the method of toll or toll-free access number to connect with database and check the balance. You buy calling card with the sequence of numbers, dial the sequence and the number of endpoint after it. Such phone cards appeared in the United States, and there are some reasons for it. Many providers offer calling accounts, and this service become more cheap and convenient for customers every day. Great competition in this sector make companies reduce costs and invent a lot of new profits for users. Thank to the Internet, accounts are available in electronic form and may be purchased via e-mail. Usually the letter contain the PIN-code for the account and instructions how to use it. Every company has a support service for customers.
Phone cards are almost useless for saving your money if you don’t make frequent international calls. Just get unlocked cell phone here and choose carrier and plan you like.


VoIP (Voice over Internet Protocol) is a protocol optimized for the transmission of voice through the Internet or other packet switched networks. VoIP is often used abstractly to refer to the actual transmission of voice (rather than the protocol implementing it). VoIP Phone Service is also known as IP Telephony, Internet telephony, Broadband telephony, Broadband Phone and Voice over Broadband.

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