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 866 is one of the area codes reserved for toll-free calls in which the calling party is not charged. Instead, the telephone carrier charges the cost of the call to the called party.Toll-free numbers, such as 866 numbers, have applications such as technical support, customer service, and personal use.66 Area Code. AreaCode.org is an area code finder with detailed information on the 866 area code including 866 area code map. Major cities like Toll Free Service within area code 866 are also listed on this page.