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Originally, 800 service in the US and 800 service in Canada were isolated from each other, but in 1984, an agreement between carriers in the two countries allowed the numbers in each country to be accessible to the other. Providers of 800 service were able to add zones to cover the expanded areas able to be offered.
The first customer-dialed direct call using an area code was made on November 10, 1951, from Englewood, New Jersey, to Alameda, California. [6] Direct distance dialing (DDD) was introduced subsequently across the country. By the early 1960s, DDD had become commonplace in cities and most towns in the United States and Canada.
Other carrier-specific North American test numbers include 555-XXXX numbers (such as 555–0311 on Rogers Communications in Canada) or vertical service codes, such as *99 on Cablevision/Optimum Voice in the United States. MCI Inc. (United States) provides ANI information by dialing 800-444-4444.
Not assignable; N11 code for repair service for land-line telephones, customer service for wireless carriers 612: Minnesota (Minneapolis, Fort Snelling, St. Anthony, and Richfield) 1947: 1954: split to create 507; 1996: split to create 320; 1998: split to create 651; 2000: split to create 763 and 952; 613: Ontario (Ottawa metropolitan area and ...
The first use of 3-1-1 for informational services was in Baltimore, Maryland, where the service commenced on 2 October 1996. [2] 3-1-1 is intended to connect callers to a call center that can be the same as the 9-1-1 call center, but with 3-1-1 calls assigned a secondary priority, answered only when no 9-1-1 calls are waiting.
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.
411 is a telephone number for local directory assistance in Canada and the United States. Until the early 1980s, 411 – and the related 113 number – were free to call in most jurisdictions. In the United States, the service is commonly known as "information", [1] although its official name is "directory assistance". [2]
A few area codes not part of any overlay complex nonetheless require ten-digit dialing if part of the local calling area is within an overlay complex. For example, the Fort Knox Army base in Kentucky is served by area code 502, but its local calling area includes cities that are served by the 270/364 overlay complex. As a result, Fort Knox ...