Area Codes | Reverse Phone Lookup

zip code, lookup for phone numbers, overlay, locations and major cities time zone.


781 Area Code

781 area codeArea code 781 covers most of the Boston suburbs roughly along Route 128 and about two-thirds of the South Shore. It was created as a split from area code 617 on September 1, 1997. (LATA code 128). Use of 781 became mandatory February 1, 1998. Area code 339 has been sharing the service area since May 2, 2001. Since then, 10 digit local dialing is mandatory. Some mobile phone numbers from the 1990s assigned to rate centers in 781 and 339 kept the 617 area code just on those mobile lines after it was split. Communities Counties Portions of the following counties are covered: Essex Middlesex N ... read more


512 Area Code

512 area code512 and 737 are North American telephone area codes serving Austin, Texas, and its suburbs. Counties currently served by these area codes include Bastrop, Burnet, Caldwell, Hays, Travis, Milam and Williamson. Area code 512 was one of the original area codes established in October 1947. At the time, it covered most of the south-central portion of Texas, from the Gulf of Mexico to the Mexican border. Besides Austin, it included San Antonio, Corpus Christi, Brownsville, Harlingen, and McAllen. Despite the presence of San Antonio and Austin—the state's third- and fourth-largest cities, respective ... read more


518 Area Code

518 area codeArea codes 518 and 838 are telephone area codes in eastern upstate New York. 518 was established as one of the original area codes in 1947. 838 was added as an overlay in 2017. It covers 24 counties and 1,200 ZIP codes. It has 493 landline and 100 wireless exchanges serviced by 47 carriers. It is the largest area code in size in New York, extending from the eastern Mohawk Valley to the Vermont border, and from the Canada–US border to south of Albany. The bulk of the area code's population is in the Capital District (Albany, Schenectady, and Troy). Other major cities in the area code are Glens ... read more


703 Area Code

703 area codeArea codes 703 and 571 are the North American Numbering Plan telephone area codes for northern Virginia, including the independent cities of Alexandria, Fairfax, Falls Church, Manassas, and Manassas Park, as well as all of Arlington and Fairfax counties and parts of Fauquier, Loudoun, Prince William, and Stafford counties. Numbering plan area 703 was created as one of the original 86 North American area codes in October 1947, and originally served the entire Commonwealth of Virginia. Area code 571 was created on March 1, 2000 as an overlay to 703. Dialing requirements Because of the overlay ... read more


330 Area Code

330 area codeArea codes 234 and 330 are North American telephone area codes for part of northeast Ohio, United States. Area code 330 was established on March 9, 1996, and was Ohio's first new area code since the North American Numbering Plan started in 1947. History The overlay, area code 234, was established on October 30, 2000, but phone numbers were not assigned to it until 2003. They cover the Akron, Canton, Youngstown, and Warren areas. Ten-digit dialing has been mandatory since October 1, 2000. Area codes 234 and 330 were originally part of area code 216, one of the original North American Numbering P ... read more


817 Area Code

817 area codeArea codes 682 and 817 are Texas telephone area codes for numbers in Fort Worth and most of the western portion of the Metroplex. Area code 817 was created as a flash-cut sometime during 1953, but available databases do not indicate from which area code it was split, as all original area codes were created in October 1947. Based on proximity, however, it was probably split from area codes 214 and 915. In a message posted to the Telecom Digest mailing list and newsgroup comp.dcom.telecom Carl Moore reported that 817 was created mostly in part from 915 as well as a small part from 214. Originall ... read more