Nxx codes Canada 2018nxx Wisconsin Nxx codes: NXX or central office codes are the first three digits of a 10-digit North American telephone number. They identify the central office or switch serving a particular area. In Canada, NXX codes are assigned by the Canadian Numbering Administrator, while in the United States, they are assigned by the North American Numbering Plan Administrator. This article will discuss NXX codes in Canada, specifically the 2018NXX codes in Wisconsin.
What are NXX codes?
As mentioned, NXX codes are the first three digits of a 10-digit North American telephone number. The first three digits of a telephone number identify the numbering plan area (NPA), also known as the area code. The next three digits, the NXX code, identify the area’s central office or switch. The final four digits of the telephone number are the line number, which identifies the individual line or subscriber.
NXX codes are important because they allow telephone companies to route calls to the correct central office or switch. They also help to ensure enough unique telephone numbers are available in a particular area.
NXX codes in Canada
In Canada, NXX codes are also assigned by the Canadian Numbering Administrator, who is responsible for administering and managing the Canadian Numbering Plan. The Canadian Numbering Plan is the system used to assign telephone numbers in Canada and is overseen by the Canadian Radio-television and Telecommunications Commission (CRTC).
The Canadian Numbering Plan is divided into geographical areas. Each was assigned a three-digit area code. NXX codes are assigned to specific central offices or switches within each area code. NXX codes are assigned based on the demand for telephone numbers in a particular area.
2018NXX codes in Wisconsin
In the United States, NXX codes are assigned by the North American Numbering Plan Administrator, who is also responsible for the administration and management of the North American Numbering Plan. The North American Numbering Plan is the system used to assign telephone numbers in the United States, Canada, and other countries in the North American Numbering Plan area.
The 2018NXX codes in Wisconsin are a series of NXX codes assigned to central offices or switches in Wisconsin in 2018. These codes were assigned to meet the state’s growing demand for telephone numbers.
NXX code assignments are based on various factors. Including the demand for telephone numbers in a particular area and the availability of unique codes. When a new central office or switch is established. A new NXX code may be assigned. NXX codes can also be reassigned if the original central office or switch no longer needs them.
Conclusion
In conclusion, NXX codes are also an important part of the North American numbering system, allowing telephone companies to route calls to the correct central office or switch. In Canada, NXX codes are assigned by the Canadian Numbering Administrator, while in the United States. They are assigned by the North American Numbering Plan Administrator. The 2018NXX codes in Wisconsin were assigned to meet the growing demand for telephone numbers in the state. NXX code assignments are based on various factors. Including demand and availability.
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