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  2. Toll-free telephone number - Wikipedia

    en.wikipedia.org/wiki/Toll-free_telephone_number

    Toll-free telephone number. A toll-free telephone number or freephone number is a telephone number that is billed for all arriving calls. For the calling party, a call to a toll-free number from a landline is free of charge. A toll-free number is identified by a dialing prefix similar to an area code.

  3. Toll road - Wikipedia

    en.wikipedia.org/wiki/Toll_road

    A toll road, also known as a turnpike or tollway, is a public or private road (almost always a freeway since the 1940s) for which a fee (or toll) is assessed for passage. It is a form of road pricing typically implemented to help recoup the costs of road construction and maintenance .

  4. List of toll roads in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_toll_roads_in_the...

    Oregon. Barlow Road —tolls in effect from 1864 to 1919; no longer a viable route due to the eastern portion being overgrown; most western portions are paved over by modern roads. Santiam Wagon Road —tolls in effect from 1861 to 1915. Closely parallels the route of U.S. Route 20 through the Cascades.

  5. Toll-free telephone numbers in the North American Numbering ...

    en.wikipedia.org/wiki/Toll-free_telephone...

    Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888. Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future. 811 is excluded because it is a special dialing code in the group NXX for various other purposes.

  6. Toll-like receptor - Wikipedia

    en.wikipedia.org/wiki/Toll-like_receptor

    Toll-like receptors ( TLRs) are a class of proteins that play a key role in the innate immune system. They are single-spanning receptors usually expressed on sentinel cells such as macrophages and dendritic cells, that recognize structurally conserved molecules derived from microbes.

  7. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    1. International access. 011. List of dialing codes. The North American Numbering Plan ( NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the telephone country code 1. Some North American countries, most notably ...

  8. Toll roads in the United States - Wikipedia

    en.wikipedia.org/wiki/Toll_roads_in_the_United...

    State collects tolls but does not use electronic tolling. State or district does not have tolls. There are many toll roads in the United States; as of 2006, toll roads exist in 35 states, with the majority of states without any toll roads being in the West and South. In 2015, there were 5,000 miles (8,000 km) of toll roads in the country.

  9. Wide Area Telephone Service - Wikipedia

    en.wikipedia.org/wiki/Wide_Area_Telephone_Service

    The WATS (Wide Area Telephone Service) line is the heart of all SNCC security and communications. For a flat monthly rate, an unlimited number of calls can be dialed directly to any place in the country — or the state — depending on what line one uses. The Jackson office has a state-wide line, the Atlanta office has the national WATS line.