Norwich and Croydon were used for a postcode experiment in the late 1960s, which was replaced by the current system. The format was of the form NOR or CRO followed by two numbers and a letter, e.g. NOR 07A. They were later changed to CR0 (digit '0') and NR1. exploit the Information commercially and non-commercially for example, by combining it with other Information, or by including it in your own product or application. The area of the B1 postcode district is 0.47 square miles which is 1.21 square kilometres or 298.41 acres. The Office for National Statistics also produces postcode directories, under similar licence terms to the OS product. Both the ONSPD and NSPL contain Northern Ireland postcodes, with centroid coordinates in the OSI grid as opposed to the OSGB grid, although Northern Ireland postcodes are subject to a more restrictive licence permitting internal business use only. [74] Postcodes for the Crown Dependences are also included, without co-ordinates. A further difference is that non-current postcodes and dates of introduction and withdrawal of postcodes are included. There are also significant numbers of discontinued (terminated) codes. Each month some 2,750 postcodes are created and 2,500 terminated. [70] Component

Note: Derivative works can be licensed under any Creative Commons Attribution 3.0 Licence. Ordnance Survey OpenData Licence OS OpenData https://www.ordnancesurvey.co.uk/business-and-government/licensing/using-creating-data-with-os-products/os-opendata.html true Map of postcode areas in the United Kingdom and Crown dependencies, with links to each postcode area The postcode area is part of the outward code. The postcode area is either one or two characters long and is alphabetical, with there being 121 such areas. Examples of postcode areas are "L" for Liverpool, "RH" for Redhill and "EH" for Edinburgh. A postal area may cover a wide area, for example "RH" covers various settlements in eastern Surrey and north eastern West Sussex, and "BT" ( Belfast) covers the whole of Northern Ireland.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. Government set to introduce post codes". Gibraltar News. 30 June 2006. Archived from the original on 20 October 2006. Information that has not been accessed by way of publication or disclosure under information access legislation (including the Freedom of Information Acts for the UK and Scotland) by or with the consent of the Information Provider; Currently, the B6 district has about 425 postcode units spread across 4 geographic postcode sectors. Edwards, Alex (23 January 2013). "How often do postcodes change?". Listmark. Archived from the original on 16 October 2015 . Retrieved 28 June 2014.

Lloyds TSB – Frequently asked questions". Lloydstsb.com. Archived from the original on 16 June 2012 . Retrieved 31 July 2012.

Overview

a b Charles Arthur (10 October 2009). "newspaper article on postcodes". The Guardian . Retrieved 1 September 2010. This is a list of postcode districts in the United Kingdom and Crown Dependencies. A group of postcode districts with the same alphabetical prefix is called a postcode area. All, or part, of one or more postcode districts are grouped into post towns. [1]