UK Area Code information for Mallaig

Mallaig Area Code Allocation

Ofcom has allocated the 01687 area code to service Mallaig and the surrounding area on at least 1 exchange.

Mallaig Exchange Information

Mallaig NSMAL

The Mallaig exchange has 93 commercial and 635 domestic properties.
Adsl Max
Fixed Rate
Fttc Range A (Clean)
Fttc Range B (Impacted)
Some postcodes covered by this exange include;
PH41 4RH
PH41 4RL
PH41 4RQ
PH41 4RG
PH41 4RF
PH41 4QX
PH41 4RE
PH41 4RD
PH41 4RB
PH41 4RN
PH41 4QF
PH41 4QU
PH41 4QZ
PH41 4RA
PH41 4QS
PH41 4QY
PH41 4QT
PH41 4PU
PH41 4PZ
PH41 4PY
PH41 4QA
PH41 4PX
PH41 4QD
PH41 4QB
PH41 4QG
PH41 4QE
PH41 4QH
PH41 4QP
PH41 4QW
PH41 4RP
PH41 4QJ
PH41 4RJ
PH41 4QR
PH41 4QL
PH41 4QQ
PH40 4PJ
PH41 4QN
PH40 4PH
PH40 4PA
PH40 4PB
PH40 4PF
PH40 4PD
PH40 4PL
PH40 4PN
PH40 4PE

Broadband Connectivity Type Definitions

Different telephone exchanges have different broadband connectivity depending on their geographic location, the consumers they serve (demand and composition of those consumers) and the competative landscape in that locale. As a result there is a mix of services and related performance which BT classify as follows;

Fixed Rate

There for three fixed rate lines; 512Kbps, 1Mbps and 2Mbps. As with IPStream 500, 1000 and 2000, these have an upstream capped at 288Kbps. Note that all of the other WBC products apart from these are strictly rate adaptive (like ADSL Max).

WBC Fixed Rate

Wholesale Broadband Connect (WBC) offers high-speed, high-performance broadband services.


BT's original ADSL2+ wholesale product with an option of an upstream cap at 448Kbps or no cap at all. ADSL2+ can achieve up to 1Mbps upstream.


ADSL2+ (also known as 21CN (21st Century Network) and WBC (Wholesale Broadband Connect) is a high speed broadband service which offers download speeds of up to 24Mbs and upload speeds of up to 1Mbs.

WBC ADSL 2+ Annex M

ADSL2+ Annex M offers up to 2.5Mbps upstream in the UK. This product is used by many businesses who could previously only find this level of upstream bandwidth with SDSL. Note that there is no option for a capped upstream with this product.

FTTC Range A (Clean)

FTTC Range A is a range where the circuits are deemed to be free of any copper line faults, and any local wiring issues (in a customer's premises). This range is often very wide for both upload and download, and does beg the question of why a copper line fault may exist without being fixed.

FTTC Range B (Impacted)

FTTC Range B is a range where circuits may have copper faults and/or internal wiring issues at a customer's site. The term impacted could be useful, as sometimes crosstalk is mentioned as something that impacts on line speeds, but there is no official word from BT on whether either Range A or Range B take into account the effects of crosstalk.

FTTP On Demand

Fiber to the home (FTTH), also called "fiber to the premises" (FTTP), is the installation and use of optical fiber from a central point directly to individual buildings such as residences, apartment buildings and businesses to provide unprecedented high-speed Internet access. FTTH dramatically increases the connection speeds available to computer users compared with technologies now used in most places.