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On March 19, 1983, the numbering plan area was divided: the immediate Houston area retained 713, while the northern, eastern and western portions became area code 409. On November 2, 1996, area code 713 was split, with most of Houston's suburbs switching to 281. The dividing line roughly followed Beltway 8. Generally, most of Houston itself and ...
In addition to the Fortune 500 companies above, many other companies in multiple fields are headquartered or have based their US headquarters in Houston. Al's Formal Wear; Allis-Chalmers Energy; Allpoint; American Bureau of Shipping; American National Insurance Company (Galveston) Aon Hewitt; Archimage; Avelo Airlines; Axiom Space; Baker Botts ...
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Numbering plan areas and area codes of Texas (tan). This is a list of area codes in the U.S. state of Texas. The date of establishment of each area code is indicated in parentheses: [1] 210: San Antonio area; overlays with 726 (November 1, 1992) 214: Dallas area, overlays with 469, 972, and 945 (October 1947)
Pages in category "Companies based in Houston" The following 200 pages are in this category, out of approximately 287 total. This list may not reflect recent changes .
Quick Take: List of Scam Area Codes. More than 300 area codes exist in the United States alone which is a target-rich environment for phone scammers.
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.
Ryan LLC was founded by Chairman and CEO G. Brint Ryan [8] and Chris F. Collis as the CPA firm Collis & Ryan in 1991. [9] [10] Collis' stake in the company was bought out in 1993, and the company was renamed Ryan & Company, P.C. [10] In 1997, the company began expanding into other tax areas beyond state and local taxes.