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Há 1 dia · NANP members are assigned three-digit numbering plan area (NPA) codes under the common country prefix 1, shown in the format 1 (NPA) . 1 North American Numbering Plan. 1 – United States, including United States territories: 1 (340) – United States Virgin Islands. 1 (670) – Northern Mariana Islands. 1 (671) – Guam.
Há 2 dias · A shared telephone system known as the North American Numbering Plan (NANP) is an integrated telephone numbering plan of 24 countries and territories: the U.S. and its territories, Canada, Bermuda, and 17 Caribbean nations.
17 de mai. de 2024 · The North American Numbering Plan Administration (NANPA) is in charge of assigning area codes. They have the authority granted by the Federal Communications Commission (FCC) to oversee the telephone numbering system in the United States.
Há 2 dias · Odd numbers run north–south with numbers increasing from west to east, while even numbers run east–west with numbers increasing from south to north. I‑78 and US 22 in Berks County, Pennsylvania (2008) The numbering scheme for the Interstate Highway System was developed in 1957 by the American Association of State Highway and ...
15 de mai. de 2024 · The country code for the United States of America is +1. But have you ever wondered why? Well, it all traces back to the North American Numbering Plan (NANP) established in 1947. Its primary objective was to simplify direct dialing of long-distance telephone calls within North America.
Há 20 horas · Complete resource on dialing to the United States of America: country code, mobile and geographic area codes, phone number format and other helpful information.
2 de mai. de 2024 · The Gold Edition is a general use area code and exchange NPA-NXX data product. It provides complete coverage of the entire North American Numbering Plan NPA NXX central office assignments at the 1,000 block level, basic carrier identification, rate center, and associated geographic data.
