[9] In January 1959 the Post Office analysed the results of a survey on public attitudes towards the use of postal codes, choosing a town in which to experiment with codes. There are also significant numbers of discontinued (terminated) codes. Other forms of postage are collected at local mail centres, but Heathrow collects those that still get forwarded to them. BFPO codes such as "BFPO 801" serve the same function as postal codes for civilian addresses, with the last line of the address consisting of "BFPO" followed a space and a number of 1 to 4 digits. The Code-Point Open list includes median coordinates for each postcode but excludes postcodes in Northern Ireland and the Crown dependencies. [57] At the delivery office the mail that is handled manually is inward sorted to the postal walk that will deliver it; it is then "set in", i.e. Birkenhead Birmingham Bradford Bristol Kingston Upon Hull Leeds Leicester Liverpool London Luton Manchester Nottingham Plymouth Preston Reading Sheffield Southend-On-Sea Stoke-On-Trent Wolverhampton All cities. ?[0-9][A-Z]{2}$. England postcodes. Users providing outgoing mail sorted by postcode receive no such incentive since postcode areas and districts are assigned using permanent mnemonics and do not therefore assist with grouping items together into operationally significant blocks. The inward code is the part of the postcode after the single space in the middle. The only letters to appear in the third position are, The only letters to appear in the fourth position are. [27] Larger post towns may use more than one postcode district, for example Crawley uses RH10 and RH11. [4], A quirk remained: the central Newport (Gwent) area was allocated NPT at a similar time to Croydon becoming CRO, and surrounding areas were (as today) allocated NP1–NP8. Australia. Business, Commercial, Education and Personal use. Chingford on the north-eastern edge of London being E4, whereas adjacent Walthamstow to the south being E17–or geographically—e.g. Girobank's headquarters in Bootle used the non-geographic postcode GIR 0AA. The central part of the town/city the postcode area is named after will have the number 1 e.g. 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. Cambridge. Asked in the House of Commons about the completion of the coding exercise, the Minister of State for Posts and Telecommunications (whose role superseded that of Postmaster General in 1969), Sir John Eden, stated that it was expected to be completed during 1972. To avoid any delays to your mail or deliveries, make sure you address it with the correct postcode. Also available, address search for postcodes. [42] They are often used for direct marketing and PO boxes. [20], Girobank's GIR 0AA was the last domestic postcode with a fully alphabetical outward code. Businesses were issued with a free booklet containing maps and listings of the correct district number for every street in the ten areas.[6]. [0-9][A-Z]{2}|BFPO ? Some Birmingham codes were sub-divided with a letter, such as Great Barr, Birmingham 22 or Birmingham 22a,[7] as can still be seen on many older street-name signs.