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  2. List of Minnesota area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Minnesota_area_codes

    Minnesota was divided into a south-eastern area including the Twin-Cities with area code 612 and the rest of the state in the south-west, north, and north-east with area code 218. [2] In 1954, the southern half of 612 was designated a separate numbering plan area with area code 507 as the third area code for the state.

  3. Morse code - Wikipedia

    en.wikipedia.org/wiki/Morse_code

    Morse code is a method used in telecommunication to encode text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs. [3] [4] Morse code is named after Samuel Morse, one of the early developers of the system adopted for electrical telegraphy .

  4. Department of Defense Activity Address Code - Wikipedia

    en.wikipedia.org/wiki/Department_of_Defense...

    Department of Defense Activity Address Code. The Department of Defense Activity Address Code ( DoDAAC) is a six position code that uniquely identifies a Department of Defense unit, activity, or organization that has the authority to requisition, contract for, receive, have custody of, issue, or ship DoD assets, or fund/pay bills for materials ...

  5. Handkerchief code - Wikipedia

    en.wikipedia.org/wiki/Handkerchief_code

    The handkerchief code (also known as the hanky code, the bandana code, and flagging) [1] is a system of color-coded cloth handkerchief or bandanas for non-verbally communicating one's interests in sexual activities and fetishes. The color of the handkerchief identifies a particular activity, and the pocket it is worn in (left or right) identifies the wearer's preferred role in that activity ...

  6. List of New Mexico area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_New_Mexico_area_codes

    List of New Mexico area codes. The state of New Mexico is served by the following area codes: 505, which serves northwest New Mexico including Santa Fe and Albuquerque since 1947. 575, which serves eastern and southern New Mexico; split from 505 in 2007.

  7. Pseudo city code - Wikipedia

    en.wikipedia.org/wiki/Pseudo_city_code

    Pseudo city code. In the aviation industry, a pseudo city code, pseudo-city code, or office ID, is an alpha-numeric identifier for a corporate user of a computer reservation system (CRS) or global distribution system (GDS), [1] typically a travel agency. The codes are typically 3 or 4 characters long, (although the Amadeus system uses up to ...

  8. International Air Transport Association code - Wikipedia

    en.wikipedia.org/wiki/International_Air...

    International Air Transport Association code. IATA codes are abbreviations that the International Air Transport Association (IATA) publishes to facilitate air travel. They are typically 1, 2, 3, or 4 character combinations (referred to as unigrams, digrams, trigrams, or tetragrams, respectively) that uniquely identify locations, equipment ...

  9. List of dialling codes in the Republic of Ireland - Wikipedia

    en.wikipedia.org/wiki/List_of_dialling_codes_in...

    Irish geographic codes generally correspond to the areas in the list below. Some exceptions and overlap may apply, as the codes reflect the evolution & technical history of the telephone network, rather than exact geographical county & town boundaries.