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Area Code Directory


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Our area code directory is the database that has a collection of the telephone area codes specifically serving the United States. A search through the area code directory can reveal complete information about the states served by them. The area code directory search can reveal information about the history of the area code, regions that are served by it, number of exchange codes and even the zip codes that are covered by a particular exchange code. Advanced searches through the area directory would reveal a lot about the history of a specific area code and the exchange code. You can also get complete list of the cities, towns and counties that are served by the area codes. One would even get a sneak peek into the history of formation of the new area codes and even the splits in an area code. Information on the new regions that are covered by the area code can also be known. You access some vital information about the overlays that are created and also the reason behind the split or formation of an overlay.

Let us now delve into the details of the area codes and the basic concept behind the same.
The area code system began with the North American Numbering Plan in 1940. Two companies Bell Laboratories and AT & T devised the North American Numbering Plan for the United States and Canada. Under this North American Numbering Plan all the States and Provinces in the United States and Canada that had a single area code were given a three digit area code with 0 as the middle number. States and provinces in both the United States and Canada that had more than one area code were allotted 1 as the middle number. The first and third digits of the area code number depended upon the density of population and economic growth in a particular area. All the local numbers and area codes introduced under the North American Numbering Plan were not permitted to begin with the digits of 1 and 0. The second number of the code was always 1 and 0 and just by identifying the first three digits of a number one could recognize whether the call was a local or a long distance one. The total number of area codes that were introduced was 86.

The North American Numbering Plan did not cover the areas of Hawaii, the Caribbean and Alaska. The total number of area codes that were introduced at that time was 86 and the services of the Plan began in 1947. The second phase of development of the North American Numbering Plan began in 1995. In this stage of development the area codes could have any number of three digits and that could also include 0 and 9 as the second digit. The areas and regions that are served by the NANP are divided into smaller Numbering Plan Areas (NPAs) and they are each identified by a three-digit NPA code which is generally called an area code.

The North American area code directory is a unique system that consists of a three-digit area code and seven digit telephone numbers that routes calls to specific areas through the public switched telephone network. This integrated telephone plan covers twenty-four countries and territories. The North American Numbering Plan is a complex telephone network with numerous area codes and numerous telephone exchanges. These area codes have numerous telephone exchanges under them that provide phone services to the people of a specific geographic location. The dialing system for a telephone number is usually preceded by a national or international access code and country code. In order to dial a local number one has to dial the entire number for the call to be made to its destination. The first few numbers of a local number denote smaller geographic numbers and or local telephone exchanges under which they are assigned. For mobile numbers there is usually a mobile service provider if they are not registered within a specific area code exchange.

There are two types of numbering plans in the United States of America. There are the Open Numbering Plan and the Closed Numbering Plan. A numbering plan is different from a dialing plan. The open dialing plan is a plan in which the dialing pattern for a local and a long distance call is different. In order to dial a local number the callers need to dial the entire number. In the case of long distance calls the caller need to prefix the area code before the number that is in turn prefixed by a trunk code that is usually "0". In the case of international calls outside the country the trunk code is generally omitted. The numbering plan in North America is a closed numbering plan that has fixed length area codes and local numbers. This type of numbering plan means that the subscriber's number is of a standard length and the dialing pattern involves the subscriber's number being used for all the calls in the area.

The area code system is a telephone plan that helps in routing telephone numbers in a telephone network. In order to search for a particular area code one can resort to our comprehensive and simple Area Code Directory database that can be easily accessed online within minutes from a single platform. This database will enable one to find national phone numbers with the aid of reverse mobile lookup that is a time saving means to access phone number details in a very short span of time. The area codes in the United States, Canada, the Caribbean and the Pacific Ocean Islands are numerous. Moreover searching for an area code is very confusing to many as the area codes in the United States have been split, merged and overlaid any times thus making these searches difficult for the average person. The Area Code Directory database enables a person to find area codes easily and conveniently without much hassles. An area code directory enables one to find the phone numbers free of cost by name, business, zip code or phone number. It also provides a person with added information on city and country and area codes. One needs to fill in the appropriate fields in order to get the information one needs. Our area code directory is a reliable database that is an extensive and accurate resource of telephone number information.

The US National Area Code Directory contains information on all the area codes in the above-mentioned regions. The person is able to search and access US area codes conveniently from the Area Searches option from a single platform without any hassles. Frequent splits, mergers and overlays have occurred in the recent years. There are many area codes that are being created and introduced every year and it is not possible for the average person to keep track of these telephonic developments on a daily basis. Searching for area code information can be tedious for a person in the absence of a telephone area code directory. One needs the services of a reliable area code resource that can provide him with detailed information on area codes of a particular geographical location. The US National Area Code Directory has been specially designed keeping this objective in mind. It serves to help those who need to resort to area code look ups in a short span of time. It is a cost effective and time saving means of finding out all the national area codes in the United States. Name, business, zip code, and city or phone number can conduct area code searches. Many people depend on them as they are an accurate and extensive national telephone number resource base.  Navigation through the US National Area Code directory is simple and hassle free. Area code searches can be done online from the comforts of any place.

One needs to know more about the area code system in the United States as that would definitely help to conduct a quicker search on the US National Area Code Directory. All area codes are not allotted for a specific geographical location. In the case of toll free numbers the prefix is usually 8XX with the last two digits matching. Some examples of toll free numbers are 888. 800, and 866. For dial it service numbers that are listed as premium rate calls the code is usually 900. The area code 710 has been especially reserved for the US Government.

The North American Numbering Plan in the United States has two salient features. The first feature is that for some localities the area code needs to be dialed even when calls are made within the same area code or when two different area codes have been overlaid in the same geographical area. In most of these cases the caller also needs to dial the digit "1" before the area code when dialing a particular phone number. The second salient feature of the North American Numbering Plan is the mobile phone numbers in a particular geographical location are allocated within regular area codes and not within special area codes. The incoming calls of the subscriber are chargeable as the caller pays the tariff for the outgoing call to the subscriber. This is the reason why the number of cell phone users is very less in the United States of America. There is also another unique feature of the telephone numbering plan of the United States of America as they are listed in an alphabetical and numerical order. Most of the telephone numbers in the United States have three letters on each number button. These three letters are assigned form the digit 2 to the number 9. Originally, the letters Q and Z were omitted however they are now found on the modern telephones.

Search through the area code directory is a pretty easy task and if you are not aware of the area code that serves a particular region then you can always provide the name of the city, town or state and then conduct search against that name. The search through the area code directory not only takes very less time, but also provides you with the option to get access to this important information without spending a single penny. Yes, there are many websites that are providing their area code directories to be searched for the area code related information. These databases are not only exhaustive in nature, but also provide you with the latest and updated information. 

The North American numbering Plan is a very complicated and complex telephone numbering plan and access to specific area codes of a particular geographical location can be difficult for a person in the absence of a state area code directory. There are many area code directories that can be accessed online for the purpose of getting area code information. These area code directories can be accessed free of charge or they can be accessed by paying a sum of money.

These paid services offer additional information to the person who needs extensive information on area codes. In the case of free area code directories there is limited information and they are restricted to just the name of the subscriber of the phone number. The paid area phone directories offer vital information on telephone, cell phone, pager, toll free, pager and commercial and business phone numbers. They are very accurate and comprehensive and hence they contain relevant information on the geographical area code that a person needs to find.

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