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  2. List of Ohio area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Ohio_area_codes

    In 2016, area code 614 was overlaid with 380 in the Columbus/Central Ohio area for the same reason. In 2020, 326 was added as an all services overlay for 937. Area code 283 was added as an overlay for 513 on April 28, 2023. [2] [3] Area code 436 went into service on March 1, 2024, as an overlay of 440. [4]

  3. Global Positioning System - Wikipedia

    en.wikipedia.org/wiki/Global_Positioning_System

    GPS receiver manufacturers design GPS receivers to use spectrum beyond the GPS-allocated band. In some cases, GPS receivers are designed to use up to 400 MHz of spectrum in either direction of the L1 frequency of 1575.42 MHz, because mobile satellite services in those regions are broadcasting from space to ground, and at power levels ...

  4. Original North American area codes - Wikipedia

    en.wikipedia.org/wiki/Original_North_American...

    Each NPA was identified by a three-digit area code used as a prefix to each local telephone number. The United States received seventy-seven area codes, and Canada nine. The initial system of numbering plan areas and area codes was expanded rapidly during the ensuing decades, and established the North American Numbering Plan (NANP).

  5. Automotive navigation system - Wikipedia

    en.wikipedia.org/wiki/Automotive_navigation_system

    TravTek covered a 12,000 square mile area in Orlando and its metro areas, as well as contained listings for restaurants, AAA-approved hotels and attractions. [14] 1991: Toyota introduced GPS car navigation on the Toyota Soarer. 1991: Mitsubishi introduced GPS car navigation on the Mitsubishi Debonair (MMCS: Mitsubishi Multi Communication System ...

  6. Seven-digit dialing - Wikipedia

    en.wikipedia.org/wiki/Seven-digit_dialing

    They were introduced to postpone area code splits in major cities such as New York City and Los Angeles, but in 1988, AT&T/Bellcore made them mandatory for area codes nearing exhaust of non-interchangeable codes. The Massachusetts 617/508 split was the last one before the policy changed—617 did not yet have interchangeable NXXs at the time.

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Garmin - Wikipedia

    en.wikipedia.org/wiki/Garmin

    Its first portable unit, the GPS-95, was introduced in 1993. In 1994, the GPS-155 panel-mounted unit was the first GPS receiver on the market to receive full FAA certification for instrument approaches. In 1998, Garmin introduced the GNS-430, an integrated GPS navigation receiver/communications transceiver. That same year, the company rolled ...

  9. Ohio City, Cleveland - Wikipedia

    en.wikipedia.org/wiki/Ohio_City,_Cleveland

    The City of Ohio became an independent municipality on March 3, 1836, splitting from Brooklyn Township. The city grew from a population of 2,400 people in the early 1830s to over 4,000 in 1850. The city grew from a population of 2,400 people in the early 1830s to over 4,000 in 1850.