Yahoo Italia Ricerca nel Web

Risultati di ricerca

  1. 2 giorni fa · This list contains the mobile country codes and mobile network codes for networks with country codes between 300 and 399, inclusively – a region that covers North America and the Caribbean. Guam and the Northern Mariana Islands are included in this region as parts of the United States.

  2. 11 mag 2024 · According to historical records, the original North American area codes were established by the American Telephone and Telegraph Company (AT&T) in 1947. This milestone came on the heels of the demonstration of regional Operator Toll Dialing during the World War II period.

    • Hubert Wolf
  3. 3 giorni fa · North America covers an area of about 24,709,000 square kilometers (9,540,000 square miles), representing approximately 16.5% of the Earth 's land area and 4.8% of its total surface area. It is the third-largest continent by size after Asia and Africa, and the fourth-largest continent by population after Asia, Africa, and Europe.

  4. 2 giorni fa · In North America, the North American Numbering Plan (NANP) was introduced in 1947, dividing the continent into numerous geographic regions, each assigned a unique three-digit code. This system allowed for faster and more reliable call connections, as operators could easily determine the destination of a call based on the area code.

  5. 11 mag 2024 · The original North American area codes were established in 1947 by the American Telephone and Telegraph Company (AT&T). There were originally 152 area codes, with New Jersey receiving the first one, 201.

  6. 14 mag 2024 · The original North American area codes were established by the American Telephone and Telegraph Company (AT&T) in 1947, following the demonstration of regional Operator Toll Dialing during the World War II period.