Birmingham - B - Postcode Wall Map - Plastic Coated

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The final two letters do not use C, I, K, M, O or V, so as not to resemble digits or each other when hand-written.The outward code is the part of the postcode before the single space in the middle. It is between two and four characters long. Examples of outward codes are "L1", "W1A", "RH1", "RH10" or "SE1P". A few outward codes are non-geographic, not divulging where mail is to be sent. Following the successful introduction of postal districts in London, the system was extended to other large towns and cities. Liverpool was divided into Eastern, Northern, Southern and Western districts in 1864/65, and Manchester and Salford into eight numbered districts in 1867/68. [4] The following regular expression can be used for the purpose of validation and includes postcode formats from Special Cases: The postcode printed on Business Reply envelopes (which do not require a stamp) often ends with the letters BR. DCLG: Policy options for geographic information from Ordnance Survey: Consultation". Communities.gov.uk. 23 December 2009. Archived from the original on 30 December 2009 . Retrieved 1 September 2010.

The only letters to appear in the fourth position are A, B, E, H, M, N, P, R, V, W, X and Y when the structure starts with AA9A. When the national postcode system was introduced, many existing postal districts were incorporated into it, so that postcodes in Toxteth (Liverpool 8) start with L8. The districts in both Manchester and Salford gained M postcodes, so Salford 7 became M7 and so on (and similarly in Brighton and Hove, both using the prefix BN). The old coding lives on in a small number of street signs with (for example) "Salford 7" at the bottom. In other cases, the district numbers were replaced with unrelated numbers. In Glasgow many of its G-prefixed numbers are not used as C1 became G1, W1 became G11, N1 became G21, E1 became G31, S1 became G41, SW1 became G51, and so on. In London (as postally defined), 1917-created postal districts are mapped unchanged to those of today but its much enlarged administrative area, Greater London, was created in April 1965. From that month the remaining 60% of Greater London's area has postcodes referring to 13 other post towns. Additionally, there were too few postcodes to adequately cover districts in central London (particularly in the WC and EC areas), so these were subdivided with a letter suffix rather than being split into new numbered districts so as to retain the familiar codes. Given that each sector allows for 400 unique postcode combinations, the district has a capacity of 1,200 postcodes. With 458 postcodes already in use, this leaves 742 units available. The largest settlement in the B12 postal code is BIRMINGHAM followed by Balsall Heath, and Deritend.The Channel Islands and the Isle of Man established their own postal administrations separate from the UK in 1969. Despite this, they adopted the UK-format postcodes in 1993–94: Guernsey using GY, the Isle of Man using IM, and Jersey using JE. [28] Manger, Warren (26 August 2014). "40 facts about the postcode to mark 40th anniversary as vital part of daily life". MGN Limited. Mirror . Retrieved 12 May 2019. Each postcode area is further divided into post towns and postcode districts. [1] There are on average 20 postcode districts to a postcode area. [1] The London post town is instead divided into several postcode areas. [2] Scope [ edit ]