Telephone Exchange
Carsphairn Telephone Exchange

Fibre Enabled

BT Broadband Fibre to the Cabinet, Fibre to the Premises & Fibre on Demand services are available to customers connected to the Carsphairn exchange. Most customers can now upgrade from ADSL to fibre internet. BT Broadband is supplied via the Openreach Network. BT Broadband



Local Authority = Dumfries and Galloway Council

UK area dialling code (STD code) for the Carsphairn exchange is 01644

International dialling code for the Carsphairn exchange is +44 1644 or 0044 1644

The Carsphairn exchange is in the New Galloway group of exchanges.

5 telephone exchanges form this regional grouping.

Carsphairn

Exchange Address

Located at :-
British Telecom,
Telephone Exchange,
Carsphairn,
CASTLE DOUGLAS.
DG7 3TQ

/// what3words geocode = Symphonic Fittingly Tortoises

Carsphairn -> Dumfries and Galloway -> Scotland

See Location Map Below

Exchange Location



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Openreach Identifer

  • Network identifier code for the Carsphairn exchange is WSCAA

Fibre To The Cabinet

  • The Carsphairn exchange provides fibre services.

21CN WBC

  • This exchange has not been 21CN WBC enabled

ADSL Max

  • The Carsphairn exchange has been enabled for ADSL Max since March 2006

ADSL

  • The Carsphairn telephone exchange in Dumfries and Galloway was enabled for ADSL in November 2005

Ofcom Classification

  • The BT exchange, Carsphairn is classified by Ofcom as:- Market 1.

Historic Fact

  • Before PhONE Day On 16th April 1995, the STD Code For This Exchange Was 0644
Virgin Media

PSTN Network Switch Off In 2027

Openreach and the wider UK telecoms industry are retiring the old Public Switched Telephone Network (PSTN) and associated copper-based services as part of the move to an all-digital, internet-protocol (IP) based network.

The PSTN and associated wholesale copper services - including traditional analogue phone lines, ISDN2, ISDN30 and other legacy products - are being withdrawn.

These services historically relied on copper wiring connected from exchanges to premises. They will be replaced with digital alternatives such as Full Fibre (FTTP) and IP-based broadband services like SOGEA, SOGFAST and other All-IP products.

Originally planned for December 2025, the final withdrawal of the PSTN network has been rescheduled to 31 January 2027 to give more time for migration, particularly for vulnerable customers and specialist services. By this date, all legacy services that depend on the PSTN must be transitioned off the copper network.

Openreach have not identified the Carsphairn Exchange as a 'FTTP Priority Exchange' and the 'Stop Sell' date was September 2023.

Stop Sell is triggered when a majority (75%) of premises connected to a particular exchange can get ultrafast Full Fibre. Customers who then want to switch, upgrade or re-grade their broadband or phone service will have to take a new digital service over their new Full Fibre network.