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By this time, overlays had gained more acceptance, so area code 878 was implemented as an overlay for both 412 and 724 on August 17, 2001. [2] Although telephone numbers were not assigned for 878 until 2013 (and were only assigned in the 724 area until 2015), ten-digit dialing has been mandatory across southwestern Pennsylvania since 2001.
This is a list of telephone area codes of Pennsylvania. In 1947, the American Telephone and Telegraph Company divided Pennsylvania into four numbering plan areas (NPAs) and assigned distinct area codes for each. Since 1995, several relief actions in form of area code splits and overlays have expanded the list of area
Time zone: UTC-5 (Eastern (EST)) • Summer : UTC-4 (EDT) Area code: 412: Website: Hampton Township is a township in Allegheny County, Pennsylvania, United States.
area code 387 is reserved as a fifth code for the region; 438: Quebec (Montreal metropolitan area) ... overlaid on 412 and area code 724; 879: Newfoundland (all) and ...
Numbering plan areas and area codes since May 2001 September 1997 [1] – May 2001 [2] July 1988 [3] – September 1997 [4] [5] October 1947 – July 1988 [6]. Massachusetts is divided into five distinct numbering plan areas (NPAs), which are served by nine area codes in the North American Numbering Plan (NANP), [7] organized as four overlay complexes and a single-area code NPA.
Time zone: UTC-5 (Eastern (EST)) ... ZIP codes: 15037. Area code: 412: FIPS code: 42-22992: Website: elizabethpa.net: Pennsylvania Historical Marker ... the borough ...
Area code 878 is an area code in the North American Numbering Plan for Southwestern Pennsylvania, centered in Pittsburgh. It forms an overlay complex with two distinct numbering plan areas, 412 in Pittsburgh and some suburban areas and 724 in an area surrounding 412 in the southwestern corner of the state. Area code 878 was activated on August ...
The U.S. state of Washington has six telephone area codes. The state initially used a single area code until it was divided in 1957 with the creation of area code 509 to serve Eastern Washington. In 1995, 206 was split again to serve just the Puget Sound region after area code 360 was created for the remainder of Western Washington.