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Nov 20, 2023 · The NXX codes are assigned to specific central offices or exchanges, making it easier to locate and route calls within a particular area code. The NPA NXX numbering system is regulated by the ...
Feb 28, 2024 · The first three digits of a local seven-digit telephone number. Assigned to a specific switch in a central office. Together, the NPA-NXX denotes the original carrier and central office switch assigned to a particular number. Historically, NPA-NXX combinations provided a reliable way to determine the carrier and approximate location of a number.
Lookup area code information for HALIFAX, NS. Get the NPA NXX (area code and prefix) as well as much more data for HALIFAX, NS.
Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits. A numbering plan area with multiple area codes is called an overlay. Area codes are also assigned for non-geographic purposes.
Lookup area code information for CHICAGO, IL. Get the NPA NXX (area code and prefix) as well as much more data for CHICAGO, IL.
35.50. * Demographic data is based on information taken from the 2010 Census as is Derived from our ZIP Code Database Products. Lookup area code information for CERRITOS, CA. Get the NPA NXX (area code and prefix) as well as much more data for CERRITOS, CA.
Tab Delimited (TAB) Our Area Code NPANXX Database listing contains all current data regarding Area Codes, NXX Prefix, City Name, State, County name, FIPS, time zone, daylight savings indicator, latitude, longitude, Metropolitan Statistical Area (MSA), MSA description name, and more. Our Area Code NPANXX Database is unique.
