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  2. List of Pennsylvania area codes - Wikipedia

    en.wikipedia.org/.../List_of_Pennsylvania_area_codes

    This is a list of telephone area codes of Pennsylvania. In 1947, the American Telephone and Telegraph Company divided Pennsylvania into four numbering plan areas (NPAs) and assigned distinct area codes for each. Since 1995, several relief actions in form of area code splits and overlays have expanded the list of area

  3. Police code - Wikipedia

    en.wikipedia.org/wiki/Police_code

    A police code is a brevity code, usually numerical or alphanumerical, used to transmit information between law enforcement over police radio systems in the United States. Examples of police codes include " 10 codes " (such as 10-4 for "okay" or "acknowledged"—sometimes written X4 or X-4), signals, incident codes, response codes , or other ...

  4. Emergency service response codes - Wikipedia

    en.wikipedia.org/wiki/Emergency_service_response...

    Code 1: A time critical event with response requiring lights and siren. This usually is a known and going fire or a rescue incident. Code 2: Unused within the Country Fire Authority. Code 3: Non-urgent event, such as a previously extinguished fire or community service cases (such as animal rescue or changing of smoke alarm batteries for the ...

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

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

    Area codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.

  6. Ten-code - Wikipedia

    en.wikipedia.org/wiki/Ten-code

    The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code. [ 1 ] The codes, developed during 1937–1940 and expanded in 1974 by the Association of Public-Safety Communications Officials-International (APCO), allow brevity and standardization of message traffic.

  7. Category:Area codes in Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Category:Area_codes_in...

    Pages in category "Area codes in Pennsylvania" The following 11 pages are in this category, out of 11 total. This list may not reflect recent changes. 0–9.

  8. Dangerous air quality today in York County: Code Orange alert ...

    www.aol.com/dangerous-air-quality-today-york...

    The Pennsylvania Department of Environmental Protection has issued a Code Orange Air Quality Action Day for ozone for Tuesday, June 4, 2024, for Susquehanna valley areas, including York County.

  9. Pennsylvania State Constables - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_State_Constables

    The office of the Pennsylvania State Constable is a municipally elected, sworn Law Enforcement Officer [4] throughout the U.S. state of Pennsylvania. [5]Pennsylvania State Constables are elected in each borough, township, and city ward in the state—except in Philadelphia (although constables may still exercise authority in the City of Philadelphia) —and serve six-year terms.