UK Area Code information for Sleaford

Sleaford Area Code Allocation

Ofcom has allocated the 01529 area code to service Sleaford and the surrounding area on at least 1 exchange.

The Residential Area of Sleaford

More about Sleaford?

Sleaford comprises postcodes covering roughly 4,980km2 containing 423 commercial properties and 8,640 domestic properties.

Sleaford Exchange Information

Sleaford EMSLFRD

The Sleaford exchange has 423 commercial and 8,640 domestic properties.
Adsl Max
Fixed Rate
Fttc Range A (Clean)
Fttc Range B (Impacted)
Wbc Fixed Rate
Wbc Adsl 2+
Wbc Adsl 2+ Annex M
Some postcodes covered by this exange include;
NG34 7PU
NG34 7PP
NG34 7QX
NG34 7PS
NG34 7QS
NG34 7QB
NG34 7QU
NG34 7QZ
NG34 7XZ
NG34 7YT
NG34 7QQ
NG34 7QE
NG34 7YP
NG34 7QR
NG34 7QF
NG34 7QD
NG34 7QY
NG34 7QT
NG34 7PT
NG34 7QA
NG34 7QG
NG34 7RJ
NG34 7QH
NG34 7PX
NG34 7PW
NG34 7TX
NG34 7PY
NG34 7PZ
NG34 7PR
NG34 7PN
NG34 7PQ
NG34 7QN
NG34 7PG
NG34 7PJ
NG34 7QL
NG34 7RF
NG34 7YQ
NG34 7PD
NG34 7UL
NG34 7TB
NG34 7BN
NG34 7ZL
NG34 7QP
NG34 7SB
NG34 7RZ
NG34 7SA
NG34 7EL
NG34 7QW
NG34 7BH
NG34 7SS

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.