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In 1993, the North American Numbering Plan designated area code 500 for personal communication services. An initial service concept was that customers could move a given seven-digit telephone number when relocating between numbering plan areas. The 500-code would thus be a non-geographic area code.
Area codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.
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.
PPG expanded quickly. By 1900, known as the "Glass Trust", it included 10 plants, had a 65 percent share of the U.S. plate glass market, and had become the nation's second largest producer of paint. [4] Today, known as PPG Industries, the company is a multibillion-dollar, Fortune 500 corporation with 150 manufacturing locations around the world.
In 1990, Gujarat Glass Pvt. Ltd. merged with its parent company Nicholas Piramal India Ltd. to become one of its many divisions. [4] [5] In 2020, The Blackstone Group announced that it would acquire Piramal Glass for US$ 1 billion. After the acquisition was completed in March 2021, the company was renamed to PGP Glass. [6] [7]
Area code 541 was created in an area code split from area code 503 on November 5, 1995. ... 500 Medford: Jackson: August 31, 2012 501 Eugene: Lane: January 10, 1996 502
For example, the “green glass door” riddle is an enjoyable brain teaser that has entertained kids and adults alike for years. This riddle really shines as a group activity.
Area code 469 was introduced on July 1, 1999, in an overlay plan for most of the eastern portion of the Metroplex. At the same time, the 214/972 boundary was "erased," and 972 was converted into an additional overlay for the entire region. The result was three area codes overlaying the same area, with ten-digit dialing required for all calls.