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  2. Area codes 440 and 436 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_440_and_436

    Area code 440 was established on August 16, 1997, in a three-way split of area code 216, one of the original North American area codes, [1] to provide relief from central office prefix exhaustion from increasing popularity of cellular phones and population pressure. [2]

  3. List of United States post offices - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States_post...

    Several United States post offices are individually notable and have operated under the authority of the United States Post Office Department (1792–1971) or the United States Postal Service (since 1971).

  4. List of Ohio area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Ohio_area_codes

    Central and southeastern Ohio except Columbus: December 6, 1997: 220: April 22, 2015: 614: Columbus: October 1947: 380: February 27, 2016: 937: Southwestern part of Ohio including Dayton, Springfield, public parts of Wright-Patterson Air Force Base, and areas north and east of the Cincinnati metropolitan area: September 28, 1996: 326: March 8 ...

  5. Sectional center facility - Wikipedia

    en.wikipedia.org/wiki/Sectional_center_facility

    A sectional center facility routes mail between local post offices, ... 327-329, 347) 10401 Post Office Blvd., Orlando, FL 32862; ... Ohio 434-436 is served by ...

  6. Howard M. Metzenbaum United States Courthouse - Wikipedia

    en.wikipedia.org/wiki/Howard_M._Metzenbaum...

    1902: The 1858 federal building is demolished to allow for the construction of a new U.S. Post Office, Custom House, and Courthouse building. 1903: The Cleveland Group Plan is presented; construction of the new federal building begins under direction of New York architect Arnold W. Brunner. 1905: May 20, 1905 - cornerstone is laid

  7. Telephone exchange names - Wikipedia

    en.wikipedia.org/wiki/Telephone_exchange_names

    Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]

  8. Anthony J. Celebrezze Federal Building - Wikipedia

    en.wikipedia.org/wiki/Anthony_J._Celebrezze...

    Named after Cleveland's 49th mayor, United States Secretary of Health, Education, and Welfare and Federal appeals judge Anthony J. Celebrezze, the Federal Building is typical of the modern, commercial office buildings of the 1960s. It displays strength in design through a purity and rich variety of materials.

  9. Area code 216 - Wikipedia

    en.wikipedia.org/wiki/Area_code_216

    The regions shown in blue are in Ohio. Area code 216 is the telephone area code in the North American Numbering Plan (NANP) for the city of Cleveland and most of its inner-ring suburbs in Cuyahoga County of the U.S. state of Ohio. The area code is one of the original North American area codes established in 1947.