code

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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The numeric sequence identifies a specific geographic region within the North American Numbering Plan (NANP). It serves as a prefix for telephone numbers within central Ohio. For example, a phone number within this region would begin with this sequence followed by a seven-digit number.

This identifier is crucial for directing telecommunications traffic to the appropriate local exchange carrier and ultimately to the intended recipient. Its implementation facilitated the expansion of telephone services and supported the growth of business and personal communication within the designated area. Originally established in 1947 as one of the original area codes, it reflects the population and telecommunication needs of the region at that time.

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