Dialling Codes in Britain | Britain Visitor - Travel Guide To Britain
Role Play Area Telephone Book | Teaching Resources
Japan Dialing Codes | Japan Experience
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The original 1947 Telephone Area Code Map - Codes were assigned based on population and time it took to dial the code on a rotary phone dial. High population areas got small
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0141 area code | Telephone Dialling Code For Glasgow
Telephone area codes: Find UK dialling codes for numbers starting 01 and 02 - Ofcom
34 Country Code - Spain Phone Code 0034 - How To Call Spain From The UK
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Network Identifier Codes - Telephone Exchanges
London to get new telephone 0204 area code to cope with demand | Metro News
Edinburgh's 0131 area code and the satisfying logic behind it - Edinburgh Live
What Do 0203 Phone Numbers Mean? | Londonist
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List of dialling codes in the United Kingdom - Wikipedia
Area code needed for Aberdeen local landline phone calls - BBC News
Phone number area code changes start today: What do you need to know? - Mirror Online
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File:Manchester Telephone Exchange names, 1965.jpg - Wikimedia Commons
The history and satisfying logic behind Glasgow's 0141 area code - Glasgow Live
Area Code, Prefix, & Other Parts of a Phone Number
Introduction to 0203 Area Code UK | What It Is, the Cost, and More! - Winterville
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