area

A geographic dialing prefix in North America, this three-digit number identifies a specific region where telephone numbers are assigned. When placing a call to a location served by this prefix, it is necessary to dial it before the seven-digit local number. For example, a complete phone number in this area would be 371-XXX-XXXX.

This identifier is critical for routing calls efficiently across the North American Numbering Plan (NANP). Its implementation streamlines telecommunications by distinctly delineating calling zones. Assigning prefixes creates manageable blocks of numbers and allows for expansion as populations and communication demands grow. The creation of new prefixes often reflects regional demographic shifts and increased needs for telecommunication services.

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The numerical sequence in question serves as a geographic routing indicator within the North American Numbering Plan (NANP). Assigned to a specific region, it directs telecommunications traffic to its intended destination. For example, calls originating outside the designated area require this prefix to connect to local telephone numbers.

Its significance lies in facilitating efficient call delivery and enabling economic development through improved communication infrastructure. Historically, the establishment of these codes was crucial for managing the growing demand for telephone services and automating call routing, replacing manual switchboard operations.

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A numerical designation serves as a geographical identifier for telephone communication within a specific region of Southern California. This code prefaces the seven-digit local number, ensuring calls are routed to the correct destination. For instance, when dialing a number within this area, the sequence would begin with this three-digit identifier followed by the recipient’s individual number.

Its significance lies in its role in managing and organizing telecommunications infrastructure. It allows for efficient allocation of phone numbers and helps to define service areas for businesses. Historically, its creation was necessitated by population growth and the increasing demand for telephone lines in the greater Los Angeles region, allowing for expansion beyond previously existing codes.

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217 represents a numbering plan area code in the North American Numbering Plan (NANP). This three-digit code is a geographical identifier assigned to telephone service providers within a specific region of Illinois. For instance, a telephone number beginning with 217-555 belongs to a subscriber in that designated area.

This code serves a critical function by facilitating efficient call routing and management within the telecommunications network. Its historical context reflects the growth and expansion of telephone services across Illinois. Assignment of the area code allowed for the efficient allocation of phone numbers as the population and communication needs of the region increased.

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