List of telephone exchanges in London information

This is a list of telephone exchanges located within Greater London. Occasionally, in areas of high demand, two exchanges are located at the same premises;...

establishing an exchange in Lowell, MA. with 50 subscribers in 1878. In Europe other early telephone exchanges were based in London and Manchester, both of which...

A telephone exchange name or central office name was a distinguishing and memorable name assigned to a central office. It identified the switching system...

A telephone prefix is the first set of digits after the country, and area codes of a telephone number. In the North American Numbering Plan countries...

Automatic Telephone Manufacturing Company (ATM) to enable operation with a mixture of both automatic and manual local exchanges in the London area for...

80%) of telephone traffic in large metropolitan areas is outgoing traffic, and it is distributed over many exchanges. A non-director SXS exchange system...

million telephone numbers. The code is used at 170 telephone exchanges in and around Greater London as part of the largest linked numbering scheme in the...

Ambulance 999 - Police This is the list of telephone exchanges in Singapore. They also share the telephone exchanges with OpenNet locations, cable TV and...

codec-filters, widely used in switching systems for telephone exchanges, private branch exchanges (PBX) and key telephone systems (KTS); user-end modems;...

sign and international calling". ITU allocations list List of Telephone Exchanges Excel file of exchange prefixes via Telstra Wholesale site Telecommunications...

the originating telephone set, which transmits the sequence of digits in the process of signaling to a telephone exchange. The exchange completes the call...

Exchange forgery 1872–73 TAURUS (share settlement) "Market Statistics - Focus (April 2023) The World Federation of Exchanges". focus.world-exchanges.org...

Arkansas Telephone Exchange Building (Norwich, Connecticut), listed on the National Register of Historic Places in New London County, Connecticut List of telephone...

dedicated circuits. Though with the advent of electronic exchanges these calls are now often mixed with ordinary telephone traffic, they still may be able to...

Telegraph and Telephone Corporation (NTT) (Corporate Number: 7010001065142) is a Japanese telecommunications holding company headquartered in Tokyo, Japan...

This is a list of telephone dialling codes in the United Kingdom, which adopts an open telephone numbering plan for its public switched telephone network...

Ranges for fictitious telephone numbers are common in most telephone numbering plans. One of the main reasons these ranges exist is to avoid accidentally...

A telephone directory, commonly called a telephone book, telephone address book, phonebook, or the white and yellow pages, is a listing of telephone subscribers...

This is a list of geographic UK dialling codes covering Wales that are currently in use. Some exchanges cover both sides of the Wales-England border....

analog exchanges and optional on digital exchanges. xxx-xx-xx (exception: Moscow—see below), e.g.: 3-45-67 22-33-44 234-56-78 Local phone numbers in Russia...

The Highgate Wood telephone exchange was the first all-electronic telephone exchange in Britain. It was built in the London suburb of Highgate by members...

GPO telephone exchange serving sections of London, and underwent several capacity expansions over the next several years. The eastern extension of the...

Anchor Exchange was an underground, hardened telephone exchange built in Birmingham, England. Construction commenced in 1953 under the guise of building...

Manchester exchange opened in mid-September 1879. A second telephone exchange opened in Manchester during 1880 run by the 'Edison Telephone Company of London Ltd'...

This is a list of incidents in London that have been labelled as "terrorism". It includes various bomb attacks and other politically driven violent incidents...

controlled telephone exchange at Moorgate in the City of London. It was a tandem exchange, switching PCM multiplexes between several other exchanges. Until...

In the United Kingdom, telephone numbers are administered by the Office of Communications (Ofcom). For this purpose, Ofcom established a telephone numbering...

code map of New Hampshire List of exchanges from AreaCodeDownload.com, 603 Area Code December 2010 newspaper article about then-uncertain future of 603...

From London: Local dialling codes for Weybridge exchanges were translated into routing digits by the directors in London telephone exchanges. The combined...