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  2. 30 Scam Phone Numbers To Block and Area Codes To Avoid - AOL

    www.aol.com/19-dangerous-scam-phone-numbers...

    Scams are becoming more and more prevalent. Here's a list of scammer phone numbers and area codes to avoid answering if you don't know exactly who's calling.

  3. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the triggering radar, providing range, bearing and ...

  4. How to Do a Free Reverse Phone Lookup & the 8 Best ... - AOL

    www.aol.com/finance/free-reverse-phone-lookup-8...

    Have you ever wondered who owns that phone number? You know, the one that keeps calling you and won't leave you alone? Try a free reverse phone lookup site to find out who's calling.

  5. Area codes 702 and 725 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_702_and_725

    Area codes 702 and 725 are telephone area codes in the North American Numbering Plan (NANP) for Clark County, including Las Vegas, in the U.S. state of Nevada. Area code 702 was one of the original North American area codes established in October 1947, and serviced the entire state of Nevada until 1998, when it was reduced to Las Vegas and the surrounding area. In 2014, area code 725 was added ...

  6. Reverse telephone directory - Wikipedia

    en.wikipedia.org/wiki/Reverse_telephone_directory

    A reverse telephone directory (also known as a gray pages directory, criss-cross directory or reverse phone lookup) is a collection of telephone numbers and associated customer details. However, unlike a standard telephone directory, where the user uses customer's details (such as name and address) in order to retrieve the telephone number of that person or business, a reverse telephone ...

  7. R-S-T system - Wikipedia

    en.wikipedia.org/wiki/R-S-T_system

    R-S-T system. The R-S-T system is used by amateur radio operators, shortwave listeners, and other radio hobbyists to exchange information about the quality of a radio signal being received. The code is a three digit number, with one digit each for conveying an assessment of the signal's readability, strength, and tone.

  8. List of New York area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_New_York_area_codes

    The North American Numbering Plan Administration has divided the state of New York into twelve numbering plan areas (NPAs) with a total of 19 area codes.

  9. List of Texas area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Texas_area_codes

    Learn about the history and distribution of Texas area codes on Wikipedia, the free online encyclopedia.

  10. N11 code - Wikipedia

    en.wikipedia.org/wiki/N11_code

    N11 code. This U.S. road sign alerts highway users to the availability of 9-1-1 service. An N11 code (pronounced Enn-one-one) is a three-digit dialing code used in abbreviated dialing in the North American Numbering Plan (NANP). The mnemonic N stands for the digits 2 through 9 and thus the syntax stands for the codes 211, 311, 411, 511, 611 ...

  11. List of airline codes (S) - Wikipedia

    en.wikipedia.org/wiki/List_of_airline_codes_(S)

    This is a list of all airline codes. The table lists the IATA airline designators, the ICAO airline designators and the airline call signs (telephony designator).