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OSM Postcode Mapping for NP4 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 %
NP4 9 209 209 30 14.4%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
NP4 9AA 10 0
NP4 9AB 10 0
NP4 9AD 10 0
NP4 9AE 10 Church Road 4
NP4 9AF 10 0
NP4 9AG 10 0
NP4 9AJ 10 0
NP4 9AL 10 0
NP4 9AN 10 0
NP4 9AP 10 0
NP4 9AQ 10 0
NP4 9AR 10 0
NP4 9AS 10 0
NP4 9AT 10 0
NP4 9AU 10 0
NP4 9AW 10 Upper Hill Street 50
NP4 9AX 10 0
NP4 9AY 10 0
NP4 9AZ 10 0
NP4 9BA 10 0
NP4 9BB 10 0
NP4 9BD 10 0
NP4 9BE 10 0
NP4 9BG 10 0
NP4 9BH 10 0
NP4 9BJ 10 0
NP4 9BL 10 0
NP4 9BN 10 0
NP4 9BP 10 0
NP4 9BQ 10 0
NP4 9BR 10 0
NP4 9BS 10 0
NP4 9BT 10 0
NP4 9BU 10 0
NP4 9BW 10 0
NP4 9BX 10 0
NP4 9BY 10 0
NP4 9BZ 10 0
NP4 9DA 50 2021‑12 2 0
NP4 9DD 10 2 0
NP4 9DE 10 0
NP4 9DF 10 0
NP4 9DG 10 0
NP4 9DH 10 0
NP4 9DJ 10 0
NP4 9DL 10 0
NP4 9DN 10 0
NP4 9DP 10 0
NP4 9DQ 10 0
NP4 9DR 10 0
NP4 9DS 10 0
NP4 9DT 10 0
NP4 9DU 10 2017‑07 0
NP4 9DX 10 0
NP4 9DY 10 0
NP4 9DZ 10 0
NP4 9EA 10 0
NP4 9EB 10 Sycamore Road 26
NP4 9ED 10 0
NP4 9EE 10 Rowan Way 26
NP4 9EH 10 0
NP4 9EJ 10 0
NP4 9EL 10 0
NP4 9EN 10 0
NP4 9EP 10 0
NP4 9ER 10 0
NP4 9ET 10 0
NP4 9EU 10 0
NP4 9EW 10 0
NP4 9EX 10 0
NP4 9EY 10 0
NP4 9EZ 10 0
NP4 9HA 10 0
NP4 9HB 10 0
NP4 9HD 10 0
NP4 9HF 10 0
NP4 9HG 10 0
NP4 9HH 10 0
NP4 9HJ 10 0
NP4 9HN 10 0
NP4 9HP 10 0
NP4 9HQ 10 0
NP4 9HR 10 0
NP4 9HS 10 0
NP4 9HT 10 0
NP4 9HU 10 0
NP4 9HW 10 0
NP4 9HX 10 0
NP4 9HY 10 0
NP4 9HZ 10 0
NP4 9JA 10 0
NP4 9JB 10 0
NP4 9JD 10 0
NP4 9JE 10 0
NP4 9JG 10 0
NP4 9JH 10 0
NP4 9JJ 10 0
NP4 9JL 10 0
NP4 9JN 10 0
NP4 9JP 10 0
NP4 9JQ 10 0
NP4 9JR 10 0
NP4 9JS 10 0
NP4 9JT 10 0
NP4 9JU 10 0
NP4 9JW 10 0
NP4 9JX 10 0
NP4 9JY 10 0
NP4 9JZ 10 0
NP4 9LA 10 0
NP4 9LB 10 0
NP4 9LD 10 0
NP4 9LE 10 0
NP4 9LF 10 0
NP4 9LG 10 0
NP4 9LH 10 0
NP4 9LJ 10 0
NP4 9LL 10 0
NP4 9LN 10 0
NP4 9LP 10 0
NP4 9LQ 10 0
NP4 9LR 10 0
NP4 9LS 10 0
NP4 9LT 10 0
NP4 9LU 10 0
NP4 9LW 10 0
NP4 9LX 10 0
NP4 9LY 10 0
NP4 9LZ 10 0
NP4 9NA 10 0
NP4 9NB 10 0
NP4 9ND 10 Broad Street 1
NP4 9NE 10 0
NP4 9NF 10 0
NP4 9NG 10 0
NP4 9NH 10 0
NP4 9NJ 10 0
NP4 9NL 10 0
NP4 9NN 10 0
NP4 9NP 10 0
NP4 9NQ 10 0
NP4 9NR 10 0
NP4 9NS 10 Upper Woodland Street 4
NP4 9NT 10 Ty Fry Close 9
NP4 9NU 10 Bowen Close 14
NP4 9NW 10 0
NP4 9NX 10 Morgan Rise 3
NP4 9NY 10 2
NP4 9NZ 10 2
NP4 9PA 10 Morris Rise 3
NP4 9PB 10 Court Rise 4
NP4 9PD 10 2
NP4 9PE 10 Ael Y Bryn 4
NP4 9PF 10 Garndyrus Mount 7
NP4 9PG 10 Llanfoist Crescent 6
NP4 9PH 10 Llanfoist Crescent 18
NP4 9PJ 10 0
NP4 9PL 10 0
NP4 9PN 10 0
NP4 9PP 10 0
NP4 9PQ 10 Llanfoist Crescent 6
NP4 9PR 10 0
NP4 9PS 10 0
NP4 9PT 10 0
NP4 9PU 10 0
NP4 9PY 10 0
NP4 9PZ 10 0
NP4 9QA 10 0
NP4 9QB 10 0
NP4 9QD 10 0
NP4 9QE 10 0
NP4 9QF 10 0
NP4 9QG 10 0
NP4 9QH 10 0
NP4 9QJ 10 0
NP4 9QL 10 0
NP4 9QN 10 0
NP4 9QP 10 0
NP4 9QQ 10 0
NP4 9QR 10 1
NP4 9QS 10 Rifle Street 2
NP4 9QT 10 Elgam Avenue 41
NP4 9QU 10 Elgam Avenue 30
NP4 9QW 10 0
NP4 9QX 10 Elgam Avenue 29
NP4 9QY 10 Elgam Avenue 22
NP4 9QZ 10 0
NP4 9RA 10 0
NP4 9RB 10 0
NP4 9RD 10 0
NP4 9RE 10 0
NP4 9RF 10 0
NP4 9RG 10 Abergavenny Road 4
NP4 9RJ 10 0
NP4 9RL 10 1
NP4 9RN 10 0
NP4 9RQ 10 0
NP4 9RR 10 0
NP4 9RT 10 0
NP4 9RX 10 0
NP4 9SB 10 0
NP4 9SD 10 0
NP4 9SE 10 0
NP4 9SF 10 0
NP4 9SG 10 0
NP4 9SJ 10 Garn-yr-Erw 2
NP4 9SR 10 0
NP4 9SS 10 1
NP4 9SW 10 0
NP4 9XA 10 0
NP4 9XG 10 0
NP4 9XP 10 1
NP4 9XR 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
NP4 9AE 4 Church␣Road w934491638 Lion␣Street
NP4 9AE 4 Church␣Road w701978185 Broad␣Street
NP4 9AW 50 Upper␣Hill␣Street w474481690 Brookside
NP4 9AW 50 Upper␣Hill␣Street w474481685 Llanover␣Road
NP4 9AW 50 Upper␣Hill␣Street w934491609 Middle␣Coedcae␣Road
NP4 9AW 50 Upper␣Hill␣Street w934491616 Middle␣Coedcae␣Road
NP4 9NY 2 w320498021
NP4 9NY 2 w320498019
NP4 9NZ 2 w320502127
NP4 9NZ 2 w320502184
NP4 9PD 2 w320508419
NP4 9PD 2 w320508466
NP4 9PH 18 Llanfoist␣Crescent w970647795
NP4 9PH 18 Llanfoist␣Crescent w970647792
NP4 9PH 18 Llanfoist␣Crescent w970647796
NP4 9PH 18 Llanfoist␣Crescent w320502133
NP4 9PH 18 Llanfoist␣Crescent w970647793
NP4 9PH 18 Llanfoist␣Crescent w970647794
NP4 9QR 1 w474481688
NP4 9RL 1 w249994204
NP4 9SS 1 n1938777193
NP4 9XP 1 w107285798
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.