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OSM Postcode Mapping for LL31 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 is usually updated once a day at about 10:15 UTC, with data from about 20:30 UTC the previous day. The data used to compute the OSM mean position is updated less frequently, usually about once a week.

District Sector Units Geo. Units Mapped %
LL31 9 282 281 37 13.2%

All units within this sector:

Unit Street Name PQI ML Mapped
LL31 9AA 10 0
LL31 9AB 10 0
LL31 9AD 10 0
LL31 9AE 10 0
LL31 9AG Trem yr Afon 10 1
LL31 9AH 10 0
LL31 9AJ 10 0
LL31 9AL Maes Derw 10 1
LL31 9AN 10 0
LL31 9AP 10 0
LL31 9AQ 10 0
LL31 9AR 10 0
LL31 9AS 10 0
LL31 9AT 10 0
LL31 9AU 10 0
LL31 9AW 10 0
LL31 9AX 10 0
LL31 9AY Conway Road 10 2
LL31 9BA 10 0
LL31 9BB 10 0
LL31 9BD 10 0
LL31 9BF 10 0
LL31 9BJ 10 0
LL31 9BL 10 0
LL31 9BN 10 0
LL31 9BP 10 0
LL31 9BQ 10 0
LL31 9BS 10 0
LL31 9BT 10 0
LL31 9BU 10 0
LL31 9BW 10 0
LL31 9BX 10 0
LL31 9BY 10 0
LL31 9BZ 10 0
LL31 9DA 10 0
LL31 9DB 10 0
LL31 9DD 10 0
LL31 9DF Deganwy 10 5
LL31 9DG 10 0
LL31 9DH 10 0
LL31 9DJ Deganwy 10 1
LL31 9DL 10 0
LL31 9DN 10 0
LL31 9DP 10 0
LL31 9DQ 10 0
LL31 9DR 10 0
LL31 9DS 10 0
LL31 9DT 10 0
LL31 9DU Conway Road 10 5
LL31 9DW 10 0
LL31 9DX 10 0
LL31 9DY 10 0
LL31 9DZ Deganwy 10 1
LL31 9EA 10 0
LL31 9EB 10 0
LL31 9ED 10 0
LL31 9EE 10 0
LL31 9EF Kimberley Road 10 1
LL31 9EG Conway Road 10 3
LL31 9EH 10 0
LL31 9EJ Deganwy 10 4
LL31 9EL 10 0
LL31 9EN 10 0
LL31 9EP 10 0
LL31 9EQ 10 0
LL31 9ER 10 0
LL31 9ES 10 0
LL31 9ET 10 0
LL31 9EU 10 0
LL31 9EW 10 0
LL31 9EX 10 0
LL31 9EY 10 0
LL31 9EZ 10 0
LL31 9FA 10 0
LL31 9FB 10 0
LL31 9FD 10 0
LL31 9FE 10 0
LL31 9FF 10 0
LL31 9FG 10 0
LL31 9FH 10 0
LL31 9FJ 10 2 0
LL31 9FN 50 2 0
LL31 9FP 10 0
LL31 9GA 10 0
LL31 9GD 10 0
LL31 9GE 10 0
LL31 9GF 10 0
LL31 9GG 10 0
LL31 9GH 10 0
LL31 9HA 10 0
LL31 9HB 10 0
LL31 9HD 10 0
LL31 9HE 10 0
LL31 9HF 10 0
LL31 9HG 10 0
LL31 9HH 10 0
LL31 9HJ 10 0
LL31 9HL 10 0
LL31 9HN 10 0
LL31 9HP 10 0
LL31 9HQ 10 0
LL31 9HR 10 0
LL31 9HS 10 0
LL31 9HT 10 0
LL31 9HU 10 0
LL31 9HW 10 0
LL31 9HX 10 0
LL31 9HY 10 0
LL31 9JA Marl Lane 10 1
LL31 9JB 10 0
LL31 9JD 10 0
LL31 9JE 10 0
LL31 9JF Llangwstenin 10 1
LL31 9JG 10 0
LL31 9JH 10 0
LL31 9JJ 10 0
LL31 9JL 10 0
LL31 9JN 10 0
LL31 9JP Glanwydden 10 1
LL31 9JQ 10 0
LL31 9JR 10 0
LL31 9JS 10 0
LL31 9JT 10 0
LL31 9JU 10 0
LL31 9JW 10 0
LL31 9JX 10 0
LL31 9JY 10 0
LL31 9JZ 10 0
LL31 9LA 10 0
LL31 9LB 10 0
LL31 9LD 10 0
LL31 9LE 10 0
LL31 9LF 10 0
LL31 9LG 10 0
LL31 9LH 10 0
LL31 9LJ 10 0
LL31 9LL 10 0
LL31 9LN Marl Drive 10 1
LL31 9LP 10 0
LL31 9LQ 10 0
LL31 9LR 10 0
LL31 9LS 10 0
LL31 9LT Conway Road 10 1
LL31 9LU Conway Road 10 3
LL31 9LW 10 0
LL31 9LX 10 0
LL31 9LY Tan y Marl 10 1
LL31 9LZ 10 0
LL31 9NA 10 0
LL31 9NB 10 0
LL31 9ND Conway Road 10 2
LL31 9NE Conway Road 10 2
LL31 9NG Brickfield Terrace 10 1
LL31 9NH 10 0
LL31 9NJ 10 0
LL31 9NL 10 0
LL31 9NN 10 0
LL31 9NQ 10 0
LL31 9NR 10 0
LL31 9NS 10 0
LL31 9NT 10 0
LL31 9NU Victoria Gardens 10 1
LL31 9NW 10 0
LL31 9NX 10 0
LL31 9NY 10 0
LL31 9NZ 10 0
LL31 9PA 10 0
LL31 9PB 10 0
LL31 9PD 10 0
LL31 9PE 10 0
LL31 9PF 10 0
LL31 9PG Victoria Drive 10 1
LL31 9PH 10 0
LL31 9PJ 10 0
LL31 9PL Ffordd Maelgwyn 10 1
LL31 9PN Ffordd Maelgwyn 10 1
LL31 9PP 10 0
LL31 9PQ 10 0
LL31 9PR 10 0
LL31 9PS 10 0
LL31 9PT 10 0
LL31 9PU 10 0
LL31 9PW 10 0
LL31 9PX 10 0
LL31 9PY 10 0
LL31 9PZ 10 0
LL31 9QA 10 0
LL31 9QB 10 0
LL31 9QD 10 0
LL31 9QE 10 0
LL31 9QF 10 0
LL31 9QG 10 0
LL31 9QH 10 0
LL31 9QJ 10 0
LL31 9QN 10 0
LL31 9RA Llwyn Estyn 10 1
LL31 9RB 10 0
LL31 9RD 10 0
LL31 9RE 10 0
LL31 9RF 10 0
LL31 9RG 10 0
LL31 9RH 10 0
LL31 9RL 10 0
LL31 9RN 10 0
LL31 9RP 10 0
LL31 9RR 10 0
LL31 9RT Sarn Mynach 10 1
LL31 9RU Glan y Môr Road 10 1
LL31 9RW 10 0
LL31 9RX 10 0
LL31 9RY 10 0
LL31 9RZ Sarn Mynach 10 1
LL31 9SA 10 0
LL31 9SB 10 0
LL31 9SD 10 0
LL31 9SF Ferry Farm Road 10 1
LL31 9SG 10 0
LL31 9SH 10 0
LL31 9SL 10 0
LL31 9SN 10 0
LL31 9SP 10 0
LL31 9SR 10 0
LL31 9SS 10 0
LL31 9ST 10 0
LL31 9SU 10 0
LL31 9SW 10 0
LL31 9SX Llandudno Junction Industrial Estate 10 2
LL31 9SY 10 0
LL31 9SZ 10 0
LL31 9TA 10 0
LL31 9TB 10 0
LL31 9TD 10 0
LL31 9TE 10 0
LL31 9TF 10 0
LL31 9TG 10 0
LL31 9TH Pentywyn Road 10 3
LL31 9TJ 10 0
LL31 9TL 10 0
LL31 9TN 10 0
LL31 9TP 10 0
LL31 9TQ 10 0
LL31 9TS 10 0
LL31 9TT 10 0
LL31 9TU 10 0
LL31 9TX 10 0
LL31 9TY 10 0
LL31 9TZ 10 0
LL31 9UA 10 0
LL31 9UB 10 0
LL31 9UD 10 0
LL31 9UE 10 0
LL31 9UF 10 0
LL31 9UG 10 0
LL31 9UH 10 0
LL31 9UJ 10 0
LL31 9UL 10 0
LL31 9UN 10 0
LL31 9UP 10 0
LL31 9UQ 10 0
LL31 9UR 10 0
LL31 9UT 10 0
LL31 9UU 10 0
LL31 9UW 10 0
LL31 9UX 10 0
LL31 9UY 10 0
LL31 9UZ 10 0
LL31 9WA 10 0
LL31 9WX 10 0
LL31 9XX Junction Way 10 4
LL31 9XY 6G Road 10 1
LL31 9XZ RSPB Conwy 10 2
LL31 9YA 10 0
LL31 9YB Park Drive 10 1
LL31 9YE 10 0
LL31 9YF 10 0
LL31 9YH 10 0
LL31 9YJ 10 0
LL31 9YL 10 0
LL31 9YN 10 0
LL31 9YP 10 0
LL31 9YQ 10 0
LL31 9YR 10 0
LL31 9YS 10 0
LL31 9YT Pentywyn Road 10 1
LL31 9YU 10 0
LL31 9YW 10 0
LL31 9YX Marl Drive 10 1
LL31 9YY 10 0
LL31 9ZD 10 21 0
LL31 9ZJ 10 0
LL31 9ZY 10 21 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
LL31 9XZ 2 RSPB␣Conwy w179182952
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.