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OSM Postcode Mapping for LL40 2 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 %
LL40 2 188 188 21 11.2%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
LL40 2AA 10 0
LL40 2AB 10 0
LL40 2AD 10 0
LL40 2AE 10 0
LL40 2AF 10 0
LL40 2AG 10 1
LL40 2AH 10 A494 3
LL40 2AJ 10 0
LL40 2AL 10 0
LL40 2AN 10 1
LL40 2AP 10 2
LL40 2AR 10 Rhydymain 1
LL40 2AS 10 1
LL40 2AT 10 0
LL40 2AU 10 0
LL40 2AW 10 0
LL40 2AX 10 0
LL40 2AY 10 0
LL40 2BB 10 0
LL40 2BD 10 0
LL40 2BE 10 0
LL40 2BF 10 0
LL40 2BH 10 0
LL40 2BL 10 0
LL40 2BN 10 0
LL40 2BP 10 0
LL40 2BS 10 0
LL40 2BT 10 0
LL40 2BU 10 0
LL40 2BW 10 0
LL40 2BY 10 0
LL40 2DE 10 0
LL40 2DF 10 Bontnewydd 1
LL40 2DG 10 0
LL40 2DH 10 4
LL40 2DL 10 0
LL40 2DN 10 0
LL40 2DP 10 0
LL40 2DR 10 0
LL40 2DS 10 0
LL40 2DT 10 1
LL40 2DU 10 0
LL40 2DW 10 0
LL40 2DY 10 0
LL40 2EA 10 0
LL40 2EB 10 0
LL40 2ED 10 0
LL40 2EE 10 0
LL40 2EF 10 0
LL40 2EG 10 0
LL40 2EH 10 0
LL40 2ER 10 Pen Y Cefn Road 1
LL40 2ES 10 Ffordd Penycefn 1
LL40 2ET 10 0
LL40 2EU 10 0
LL40 2EW 10 0
LL40 2EY 10 0
LL40 2HA 10 0
LL40 2HB 10 0
LL40 2HD 10 0
LL40 2HE 10 0
LL40 2HF 10 0
LL40 2HG 10 0
LL40 2HH 10 0
LL40 2HL 10 0
LL40 2HN 10 0
LL40 2HP 10 0
LL40 2HR 10 0
LL40 2HS 10 0
LL40 2HT 10 0
LL40 2HU 10 0
LL40 2HW 10 0
LL40 2HY 10 0
LL40 2HZ 10 Dolgefeiliau (Nr Ganllwyd) 1
LL40 2LA 10 0
LL40 2LB 10 0
LL40 2LD 10 0
LL40 2LE 10 0
LL40 2LF 10 0
LL40 2LG 10 0
LL40 2LH 10 0
LL40 2LL 10 0
LL40 2LS 10 0
LL40 2LT 10 0
LL40 2LU 10 0
LL40 2LW 10 0
LL40 2LY 10 0
LL40 2NA 10 0
LL40 2NB 10 0
LL40 2ND 10 0
LL40 2NE 10 0
LL40 2NF 10 0
LL40 2NG 10 0
LL40 2NH 10 0
LL40 2NL 10 0
LL40 2NN 10 0
LL40 2NP 10 0
LL40 2NR 10 0
LL40 2NS 10 0
LL40 2NT 10 0
LL40 2NU 10 0
LL40 2NW 10 0
LL40 2NY 10 0
LL40 2PA 10 0
LL40 2PB 10 0
LL40 2PD 10 0
LL40 2PE 10 0
LL40 2PF 10 0
LL40 2PG 10 0
LL40 2PH 10 0
LL40 2PP 10 0
LL40 2PR 10 0
LL40 2PS 10 0
LL40 2PT 10 0
LL40 2PU 10 0
LL40 2PW 10 0
LL40 2PY 10 0
LL40 2RA 10 0
LL40 2RB 10 0
LL40 2RD 10 Hafod y Meirch 1
LL40 2RE 10 0
LL40 2RF 10 0
LL40 2RG 10 0
LL40 2RH 10 0
LL40 2RL 10 0
LL40 2RN 10 0
LL40 2RP 10 0
LL40 2RR 10 0
LL40 2RS 10 0
LL40 2RT 10 0
LL40 2RU 10 0
LL40 2RW 10 0
LL40 2RY 10 0
LL40 2SA 10 0
LL40 2SB 10 0
LL40 2SD 10 0
LL40 2SE 10 0
LL40 2SF 10 0
LL40 2SG 10 Cwm Hafodoer 2
LL40 2SH 10 0
LL40 2SP 10 Barmouth Road 1
LL40 2SR 10 0
LL40 2SS 10 0
LL40 2ST 10 0
LL40 2SU 10 Llanelltyd Dolgellau 1
LL40 2SW 10 0
LL40 2SY 10 0
LL40 2TA 10 Pen Y Garnedd 1
LL40 2TB 10 2
LL40 2TD 10 0
LL40 2TE 10 0
LL40 2TF 10 0
LL40 2TG 10 0
LL40 2TH 10 0
LL40 2TL 10 0
LL40 2TN 10 0
LL40 2TP 10 0
LL40 2TT 10 0
LL40 2TU 10 1
LL40 2TW 10 0
LL40 2TY 10 0
LL40 2UA 10 0
LL40 2UB 10 0
LL40 2UD 10 0
LL40 2UE 10 1
LL40 2UF 10 0
LL40 2UG 10 0
LL40 2UH 10 0
LL40 2UL 10 0
LL40 2UN 10 0
LL40 2UP 10 0
LL40 2UR 10 0
LL40 2UT 10 0
LL40 2UW 10 0
LL40 2XX 10 0
LL40 2YA 10 0
LL40 2YB 10 0
LL40 2YD 10 0
LL40 2YE 10 2023‑10 0
LL40 2YF 10 Ffordd y bala 1
LL40 2YG 10 0
LL40 2YL 10 0
LL40 2YN 10 0
LL40 2YP 10 0
LL40 2YQ 10 0
LL40 2YS 10 0
LL40 2YT 10 0
LL40 2YU 10 0
LL40 2YW 10 0
LL40 2YY 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
LL40 2AG 1 w331202224
LL40 2AH 3 A494 w1030900799
LL40 2AH 3 A494 w1030900798
LL40 2AH 3 A494 w984821736
LL40 2AN 1 w332596785
LL40 2AP 2 w1053997967
LL40 2AP 2 w627594316
LL40 2AS 1 w325821790
LL40 2DH 4 n4985000462
LL40 2DH 4 w421369487
LL40 2DH 4 n4983853200
LL40 2DH 4 n4983759483
LL40 2DT 1 n4986558206
LL40 2SG 2 Cwm␣Hafodoer w102029147 Gwynedd
LL40 2TB 2 w1210624511
LL40 2TB 2 w1210624512
LL40 2TU 1 w706154829
LL40 2UE 1 w258948697
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.