2. Developed in the sixteenth century, engraving on a waxcovered metal plate which is scratched with a needle to expose the surface then placed in acid, which cuts into the plate where scratched. Longer exposure to acid makes a darker print line.
Area code look up for places in the United States, Canada and many Caribbean Islands. To determine the location of an area code use the directory below.The resulting page will tell you the state, province or nation where that area code is used along with information about other area codes used in that location.If you wish to look up an area code by location use the link under United States Area Codes or Canada Area Codes.The non-geographic area codes currently utilized in the United States are 456, 500, 533, 544, 566, 577, 700, 710, 800, 844, 855, 866, 877, 888 and 900.he resulting page will tell you the state, province or nation where that area code is used along with information about other area codes used in that location. If you wish to look up an area code by location use the link under United States Area Codes or Canada Area Codes.
Area code 916 is a California telephone area code that was one of the first three original area codes established in California in October 1947.The area code is based in the state capital, Sacramento. Originally, it covered the far northern portion of the state.n the same day, Dixon moved from 916 to 707. Today, 916 covers only Sacramento and its immediate area. 916 is the only one of the original 86 area codes from 1947 that does not cover any of its original area; the far northeastern portion of the old 916 was transferred to 530 in the 1997 split..