878 is an overlay area code for area codes 412 and 724 in south-western Pennsylvania centered in Pittsburgh. It came into effect on August 17, 2001, making 10-digit dialing mandatory in the 412 and 724 areas of western Pennsylvania. Area code 412 is a Commonwealth of Pennsylvania telephone area code which serves the city of Pittsburgh, Pennsylvania. ... 724 is an area code used in the suburbs of Pittsburgh, Pennsylvania, notably New Castle and Uniontown. ... This article needs to be cleaned up to conform to a higher standard of quality. ... City nickname: The Steel City Location in the state of Pennsylvania Founded 1758 Mayor Tom Murphy (Dem) Area - Total - Water 151. ... August 17 is the 229th day of the year (230th in leap years) in the Gregorian calendar. ... 2001 (MMI) was a common year starting on Monday of the Gregorian calendar. ... In the United States and Canada, 10-digit dialing is a popular term used to refer to the practice of including the area code of a phone number when dialing. ... Official language(s) English, Pennsylvania Dutch Capital Harrisburg Largest city Philadelphia Area Ranked 33rd - Total 46,055 sq mi (119,283 km²) - Width 280 miles (455 km) - Length 160 miles (255 km) - % water 2. ...
As of May, 2007, there are no numbers assigned to area code 878, as number-conserving policies put into place at the time of its introduction have so far been successful. May is the fifth month of the year in the Gregorian Calendar and one of seven Gregorian months with the length of 31 days. ... 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the Anno Domini era. ...
The new areacode -- 878 -- was announced yesterday by the North American Numbering Plan Administration, an agency that assigns new areacodes to the telecommunications industry in the United States, Canada, Bermuda and 16 Caribbean countries.
If you are in the 412 area and want to call Uncle Ernie down the street, also in the 412 areacode, you'll have to dial the areacode and his telephone number.
In October, members of a regional group of telecommunications companies determined that the 412 areacode was "in jeopardy," a term which means the amount of available exchanges in the areacode would run out sooner than predicted, at the end of next year, she said.
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