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OSM Postcode Mapping for LL21 9 Postal Sector

The circles on the map above are the postcode unit 'centriods' from Code-Point Open, under the Open Government Licence. The 'centriod' is calculated by taking the average of the coordinates of all the delivery points with that postcode, and then snapping that location to the nearest delivery point in that postcode. The data may be freely used in OpenStreetMap, but please make sure you understand it first. Also please only add postcodes to objects representing addressable entities; do not add the postcode centroids as themslves. Suggested source tag code-point_open

The circles are coloured by whether or not there is at least one OSM object with that value in its addr:postcode tag. Click on a point to see the postcode. The numbers in brackets are the number of OSM objects with that postcode.

The centroids are the location of the nearest 'delivery point' to the arithmetic mean of the coordinates of all the delivery points within that unit. Those points with a codepoint PQI greater than 40 are excluded from the map above. (Higher values are typically not geographically accurate. In particular, PQI=50 is used for new postcodes before the location has been determined. The location given for such postcodes seems to be derived from other existing postcodes with similar units letters, which may not be close to the new postcode.)

The pale blue lines from the circles join each Code-Point Open centroid to the mean coordiantes of all the OSM objects with that postcode. (For ways an relations, the centre of the rectangular bounding box is used at the coordinates for the OSM object.) Long lines may indicate missing or incorrect OSM objects for that postcode. In particular, if all the postcodes in a givne unit are correctly mapped, the circle should be located on the nearest delivery point within that postcode to the other end of the blue line.

The OSM data for the number of objects with each unit comes from Taginfo GB. It is usually updated once a day at about 10:15 UTC, with data from about 20:30 UTC the previous day. (Current data is from 1970‑01‑01 00:00:00 Z.) The data used to compute the OSM mean position comes from the Overpass API and is updated less frequently, usually about once a week. (Current data is from 2024‑03‑23 18:50:30 Z.)

District Sector Units Geo. Units Mapped %
LL21 9 198 198 23 11.6%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
LL21 9AA 10 0
LL21 9AB 10 0
LL21 9AD 10 0
LL21 9AE 10 Maesafallen 1
LL21 9AF 10 0
LL21 9AG 10 0
LL21 9AH 10 0
LL21 9AJ 10 0
LL21 9AL 10 0
LL21 9AN 10 0
LL21 9AP 10 0
LL21 9AR 10 0
LL21 9AS 10 0
LL21 9AT 10 Carrog 1
LL21 9AU 10 0
LL21 9AW 10 Carrog 1
LL21 9AY 10 0
LL21 9BA 10 0
LL21 9BB 10 0
LL21 9BD 10 Carrog 1
LL21 9BE 10 0
LL21 9BG 10 Carrog 1
LL21 9BH 10 0
LL21 9BL 10 0
LL21 9BN 10 0
LL21 9BP 10 0
LL21 9BS 10 0
LL21 9BT 10 0
LL21 9BU 10 1
LL21 9BW 10 0
LL21 9BY 10 0
LL21 9DA 10 0
LL21 9DB 10 0
LL21 9DD 10 0
LL21 9DE 10 0
LL21 9DF 10 Gwyddelwern 1
LL21 9DG 10 0
LL21 9DH 10 0
LL21 9DL 10 0
LL21 9DN 10 0
LL21 9DP 10 0
LL21 9DQ 10 0
LL21 9DR 10 0
LL21 9DS 10 0
LL21 9DT 10 0
LL21 9DU 10 0
LL21 9DW 10 0
LL21 9DY 10 0
LL21 9EA 10 0
LL21 9EB 10 0
LL21 9ED 10 Gwyddelwern 1
LL21 9EE 10 0
LL21 9EF 10 0
LL21 9EG 10 0
LL21 9EH 10 0
LL21 9EJ 10 0
LL21 9EL 10 0
LL21 9EN 10 0
LL21 9EP 10 0
LL21 9ER 10 0
LL21 9ES 10 0
LL21 9ET 10 0
LL21 9EU 10 0
LL21 9EW 10 0
LL21 9EY 10 Glyndyfrdwy 1
LL21 9HA 10 0
LL21 9HB 10 0
LL21 9HD 10 0
LL21 9HE 10 0
LL21 9HF 10 0
LL21 9HG 10 0
LL21 9HH 10 0
LL21 9HL 10 0
LL21 9HN 10 0
LL21 9HP 10 0
LL21 9HR 10 0
LL21 9HS 10 0
LL21 9HT 10 0
LL21 9HU 10 0
LL21 9HW 10 0
LL21 9HY 10 0
LL21 9LA 10 0
LL21 9LB 10 0
LL21 9LD 10 0
LL21 9LE 10 0
LL21 9LF 10 0
LL21 9LG 10 0
LL21 9LH 10 0
LL21 9LL 10 0
LL21 9LN 10 0
LL21 9LP 10 0
LL21 9LQ 10 0
LL21 9LR 10 0
LL21 9LS 10 0
LL21 9LT 10 0
LL21 9LU 10 0
LL21 9LW 10 0
LL21 9LY 10 0
LL21 9NA 10 0
LL21 9NB 10 0
LL21 9ND 10 0
LL21 9NE 10 0
LL21 9NF 10 0
LL21 9NG 10 0
LL21 9NH 10 0
LL21 9NL 10 0
LL21 9NN 10 0
LL21 9NP 10 0
LL21 9NS 10 0
LL21 9NT 10 0
LL21 9NU 10 0
LL21 9NW 10 0
LL21 9NY 10 0
LL21 9PA 10 0
LL21 9PB 10 0
LL21 9PD 10 0
LL21 9PE 10 0
LL21 9PF 10 0
LL21 9PG 10 0
LL21 9PH 10 0
LL21 9PL 10 0
LL21 9PN 10 0
LL21 9PP 10 0
LL21 9PR 10 0
LL21 9PS 10 0
LL21 9PT 10 0
LL21 9PU 10 0
LL21 9PW 10 0
LL21 9PY 10 Betws Gwerfil Goch 2
LL21 9QX 10 0
LL21 9RA 10 0
LL21 9RB 10 0
LL21 9RD 10 0
LL21 9RE 10 0
LL21 9RF 10 0
LL21 9RG 10 0
LL21 9RH 10 0
LL21 9RJ 10 Tyn Y Llidiart Industrial Est 3
LL21 9RL 10 0
LL21 9RN 10 0
LL21 9RP 10 0
LL21 9RQ 10 2013‑07 0
LL21 9RR 10 Tyn Y Llidiart Industrial Est 2
LL21 9RS 10 0
LL21 9RT 10 Clawdd Poncen 3
LL21 9RU 10 0
LL21 9RW 10 1
LL21 9RX 10 0
LL21 9RY 10 0
LL21 9RZ 10 0
LL21 9SA 10 0
LL21 9SB 10 0
LL21 9SD 10 0
LL21 9SE 10 0
LL21 9SF 10 0
LL21 9SG 10 0
LL21 9SH 10 0
LL21 9SL 10 0
LL21 9SN 10 0
LL21 9SP 10 0
LL21 9SR 10 Ffordd Tan Llan 1
LL21 9SS 10 0
LL21 9ST 10 Stryd y Brenin 2
LL21 9SU 10 King Street 2
LL21 9SW 10 Ffordd yr Alwen 2
LL21 9SY 10 0
LL21 9TA 10 0
LL21 9TB 10 0
LL21 9TD 10 0
LL21 9TE 10 0
LL21 9TF 10 0
LL21 9TG 10 0
LL21 9TH 10 0
LL21 9TL 10 0
LL21 9TN 10 0
LL21 9TQ 10 0
LL21 9TR 10 0
LL21 9TS 10 Cefn Brith 1
LL21 9TT 10 Alwen 1
LL21 9TU 10 Pentre Llyn Cymer 1
LL21 9TW 10 0
LL21 9UA 10 0
LL21 9UB 10 0
LL21 9UD 10 0
LL21 9UE 10 0
LL21 9UF 10 0
LL21 9UG 10 Ffordd Rhuthun 1
LL21 9UH 10 0
LL21 9UL 10 1
LL21 9UN 10 0
LL21 9UP 10 0
LL21 9UR 10 0
LL21 9US 10 0
LL21 9UW 10 0
LL21 9WG 10 2013‑07 0
LL21 9WZ 10 2013‑07 0
LL21 9YA 10 0
LL21 9YB 10 0
LL21 9YD 10 0
LL21 9YE 10 London Road 0
LL21 9YF 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
LL21 9BU 1 n4727769774
LL21 9RW 1 w417689676
LL21 9ST 2 Stryd␣y␣Brenin w601380057
LL21 9SU 2 King␣Street n9707681571
LL21 9UL 1 w514722744
Data derived from OpenStreetMap data, © OpenStreetMap Contributors, licensed under Open Data Commons Open Database License (ODbL). Data derived in part using Code-Point Open under the Open Government Licence v3; Contains OS data © Crown copyright and database right 2020; Contains Royal Mail data © Royal Mail copyright and Database right 2016; Contains National Statistics data © Crown copyright and database right 2020.