![Subscriber trunk dialling / Lisburn telephone exchange code / Telephone numbering plan / Telephone exchange / Class 4 telephone switch / General Post Office / Technology / Communication / Telephone numbers / Telephony / Telephone numbers in the United Kingdom Subscriber trunk dialling / Lisburn telephone exchange code / Telephone numbering plan / Telephone exchange / Class 4 telephone switch / General Post Office / Technology / Communication / Telephone numbers / Telephony / Telephone numbers in the United Kingdom](https://www.pdfsearch.io/img/81ea07b63f6fa7426545582924b08319.jpg) Date: 2013-09-19 05:56:02Subscriber trunk dialling Lisburn telephone exchange code Telephone numbering plan Telephone exchange Class 4 telephone switch General Post Office Technology Communication Telephone numbers Telephony Telephone numbers in the United Kingdom | | STD Equivalent List The United Kingdom numbering plan has been evolving and changing over the last sixty years. This list is an attempt to summarise the first twenty-five years of Subscriber Trunk Dialling, STD. It wasAdd to Reading ListSource URL: www.samhallas.co.ukDownload Document from Source Website File Size: 155,12 KBShare Document on Facebook
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