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![]() Date: 2007-10-08 11:43:10Telephony Personal numbering BT Group Telephone numbers in the United Kingdom Non-geographic telephone numbers in the United Kingdom Local number portability Telephone numbers in Europe Telephone numbering plan .bt Telephone numbers Communication Numbers | Source URL: www.ofcom.org.ukDownload Document from Source WebsiteFile Size: 26,76 KBShare Document on Facebook |