How to know if cell phone number is active,what is the best free reverse phone number lookup zabasearch,cell phone repair bayville nj,how to find out cell phone model b9502 - .

The telephone number that you dial to call somebody is basically an address, similar to the IP address of a computer or the street address of your home.
Area code - Regulated by the Federal Communications Commission (FCC), area codes are used to designate a specific geographic region, such as a city or part of a state.Prefix - The prefix originally referred to the specific switch that a phone line connected to.
A­Think of the three parts like a street address, where the area code is the city, the prefix is thA­e street and the line number is the house.
The 3-3-4 scheme, developed by AT&T in 1947, uses three blocks of numbers arranged in two blocks of three and a single block of four digits. To make calls to another country, you must first dial 011, which is the international access code, and then the country code.

In many European countries, phone numbers are variable in length, ranging from just five or six digits in small towns to ten or more in large cities.
Look at the main phone number for HowStuffWorks as we go through the meaning of the different blocks. With the arrival of computerized switches, many systems now allow local number portability (LNP).
In addition to country codes, some countries also have city codes that you dial after the country code but before the local number.
This means that a customer's phone number can be moved to another switch without having to change any part of it, including the prefix, as long as the customer does not move out of the local-rate area.Line number - This is the number assigned at the switch level to the phone line that you are using.

Since the number is assigned to the line and not to the phone itself, you can easily change phones or add more phones to the same line.

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