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A list of area codes and telephone prefixes can be obtained at TheDirectory.org. The website of the North American Numbering Plan Administration provides area code information from the regions it regulates, and CountryCo... More »

www.reference.com Government & Politics Public Records

In North America, phone number prefixes are assigned by the North American Numbering Plan, which is administered by the North American Numbering Plan Administration. Most of the rest of the world’s prefixes are assigned ... More »

www.reference.com Government & Politics Public Records

Some common international dialing codes include the United States' code, 1; China's code, 86; and the United Kingdom's code, 44. Of these three countries, China has the highest number of telephone lines in use, making it... More »

www.reference.com Government & Politics Public Records
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There is a map showing telephone area codes for the United States and Canada on AllAreaCodes.com. It has a zoom function and multiple search options, making it easy for people to navigate. More »

www.reference.com Government & Politics Public Records

The website of the North American Numbering Plan Administration and area code resource sites have search engine tools that allow online users to look up area codes by location. Some telecom companies also provide free ar... More »

www.reference.com Government & Politics Public Records

As of 2015, there are 55 area codes in the Tucson, Arizona area. The first three digits of these ZIP codes are all 857. These ZIP codes are available on the United States Postal Service's website via the Look Up a ZIP Co... More »

www.reference.com Government & Politics Public Records

CPL has a free list of area codes by state in alphabetical order. All Area Codes, however, has an area code list that lists cities by numerical order. More »

www.reference.com Government & Politics Public Records