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  2. List of time zone abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_time_zone...

    Such designations can be ambiguous; for example, "CST" can mean China Standard Time (UTC+08:00), Cuba Standard Time (UTC−05:00), and (North American) Central Standard Time (UTC−06:00), and it is also a widely used variant of ACST (Australian Central Standard Time, UTC+9:30). Such designations predate both ISO 8601 and the internet era; in ...

  3. Area codes 781 and 339 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_781_and_339

    Use of 781 became mandatory February 1, 1998. [2] Area code 339 is an overlay complex code for the same service area, activated on May 2, 2001. [3] Since then, ten-digit dialing has been mandatory. [3] Some mobile telephone numbers assigned in the 1990s to rate centers in 781 and 339 kept the 617 area code just on those mobile lines after the ...

  4. List of North American Numbering Plan area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    568 reserved as a fifth area code for the region. 781: Massachusetts (Canton, Hanson, Lincoln, Nahant, Plympton, Revere, Stoughton, Winchester, and east-central Massachusetts) September 1, 1997: split of 617; 2001: overlaid by 339; 782: Nova Scotia and Prince Edward Island: November 30, 2014: overlaid on 902; 851 reserved as a third area code ...

  5. List of time offsets by U.S. state and territory - Wikipedia

    en.wikipedia.org/wiki/List_of_time_offsets_by_U...

    Map of U.S. time zones with new CST and EST areas displayed. Some U.S. time zones, such as the Samoa Time Zone, are not on this map. This is a list of the time offsets by U.S. states, federal district, and territories. For more about the time zones of the U.S. see time in the United States. Most states are entirely contained within one time zone.

  6. List of UTC offsets - Wikipedia

    en.wikipedia.org/wiki/List_of_UTC_offsets

    The two extreme time zones on Earth (both in the mid-Pacific) differ by 26 hours. Standard Time Zones, as of January 2, 2024 In the following list, only the rightmost indent of a group of locations is meant to indicate the area observing the offset; the places above and to the left are meant solely to indicate the area's parent administrative ...

  7. Hanson, Massachusetts - Wikipedia

    en.wikipedia.org/wiki/Hanson,_Massachusetts

    According to the United States Census Bureau, the town has a total area of 15.7 square miles (40.6 km 2), of which 15.0 square miles (38.9 km 2) is land and 0.66 square miles (1.7 km 2), or 4.21%, is water. It is the 250th largest town in the Commonwealth, over seven square miles smaller than the average.

  8. List of future North American area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_future_North...

    This is a list of future area codes in the North American Numbering Plan (NANP) that are in the planning stages for relief of central office code exhaustion in the given numbering plan areas (NPAs). The dates are subject to change during implementation as published in the official NANP Administrator Planning Letters .

  9. List of Massachusetts area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Massachusetts_area...

    Numbering plan areas and area codes since May 2001 September 1997 [1] – May 2001 [2] July 1988 [3] – September 1997 [4] [5] October 1947 – July 1988 [6]. Massachusetts is divided into five distinct numbering plan areas (NPAs), which are served by nine area codes in the North American Numbering Plan (NANP), [7] organized as four overlay complexes and a single-area code NPA.