UK Area Code information for Lanark

Lanark Area Code Allocation

Ofcom has allocated the 01555 area code to service Lanark and the surrounding area on at least 1 exchange.

Lanark Exchange Information

Lanark WSLAK

The Lanark exchange has 330 commercial and 5,185 domestic properties.
Adsl Max
Fixed Rate
Wbc Fixed Rate
Wbc Adsl 2+
Wbc Adsl 2+ Annex M
Some postcodes covered by this exange include;
ML11 9EL
ML11 9EW
ML11 9US
ML11 9EU
ML11 9EN
ML11 9HB
ML11 9EE
ML11 9HD
ML11 9HA
ML11 9EZ
ML11 9HY
ML11 9FU
ML11 9EJ
ML11 9EY
ML11 9EF
ML11 9HP
ML11 7PA
ML11 9EX
ML11 9ET
ML11 7LZ
ML11 9DZ
ML11 7NJ
ML11 7NA
ML11 9EA
ML11 9ER
ML11 9EG
ML11 9ED
ML11 9EB
ML11 7ND
ML11 9EP
ML11 7NL
ML11 9HZ
ML11 9HW
ML11 9ES
ML11 9HE
ML11 7LY
ML11 7NG
ML11 7LX
ML11 7PB
ML11 9DY
ML11 7QD
ML11 7QX
ML11 7NQ
ML11 7QU
ML11 7LU
ML11 7QB
ML11 7EX
ML11 7NE
ML11 9DT
ML11 9HG

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.