How To Conduct An Accurate Area Code Lookup

These 848 area code are frequently overlaid with others, split from another to allow for more numbers due to population increase, or discontinued or even relocated to avoid long-term conflicts in the region – as decided and dictated by the North American Numbering Plan (NANP).

Note that an area code cannot begin with a 0 or 1 because each digit represents either feature codes or the North American long distance code. Preceding 1995 all area codes had either 0 or 1 as the middle digit, whereas all new codes from 1996 and onward use 2 through 8.

Additionally, the last two digits of any area code will always be different from one another. So you will never find an area code with the format “322” or “744” for example. This includes, obviously, numbers that would end with “11”, as this particular arrangement is reserved for specific resources or emergency access services such as “911” emergency help, or “411” directory assistance.

So with all of the fluctuation happening with area codes – how can you stay on top of the changes so that the next time you need to make a long-distance call, you’ll have the right number to dial?

You need to go directly to the source of the information – NANP.

Their website is available by doing a search in Google for “NANPA”, which stands as an acronym for “North American Numbering Plan Administration”.

Specifically, you’ll want to use their user-friendly map database, which displays area codes by state or region. (Canadian map is also available). This is available directly on the home page (just click the image of the map). They have a detailed map index of the USA, and a link to a Canadian area code map.

This is a crucial site to have bookmarked or saved in your browser, because you’ll be able to stay on top of updates, changes and adjustments to the NANP as they happen.

Additionally, there are other sites and databases available on the web that have a text-based directory of area codes for faster load times – especially if you’re using a slower (dial-up) connection speed.

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