NP20 4 postcode sector in the NP20 district

NP20 4 is a sector of the NP20 district: every postcode that starts NP20 4. It has 177 postcodes in use, 9 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the NP20 4 sector, and which are new since 2020

Map of every postcode in the NP20 4 sector, by new since 2020 Of the 177 postcodes in the NP20 4 sector that ONS places, 1 are new since 2020 and 176 were in use before 2020. Places named: Newport. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A4042 NP20 4AB: before 2020NP20 4AD: before 2020NP20 4AF: before 2020NP20 4AG: before 2020NP20 4AL: before 2020NP20 4AN: before 2020NP20 4AQ: before 2020NP20 4AT: before 2020NP20 4AU: before 2020NP20 4AX: before 2020NP20 4BD: before 2020NP20 4BG: before 2020NP20 4BH: before 2020NP20 4BL: before 2020NP20 4BN: before 2020NP20 4BP: before 2020NP20 4BQ: before 2020NP20 4BR: before 2020NP20 4BS: before 2020NP20 4BT: before 2020NP20 4BU: before 2020NP20 4BW: before 2020NP20 4BX: before 2020NP20 4BY: before 2020NP20 4BZ: before 2020NP20 4DA: before 2020NP20 4DB: before 2020NP20 4DD: before 2020NP20 4DE: before 2020NP20 4DF: before 2020NP20 4DG: before 2020NP20 4DH: before 2020NP20 4DJ: before 2020NP20 4DL: before 2020NP20 4DP: before 2020NP20 4DT: before 2020NP20 4DU: before 2020NP20 4DW: before 2020NP20 4DX: before 2020NP20 4DY: before 2020NP20 4DZ: before 2020NP20 4EA: before 2020NP20 4EB: before 2020NP20 4ED: before 2020NP20 4EE: before 2020NP20 4EF: before 2020NP20 4EG: before 2020NP20 4EH: before 2020NP20 4EJ: before 2020NP20 4EL: before 2020NP20 4EN: before 2020NP20 4EP: before 2020NP20 4EQ: before 2020NP20 4ER: before 2020NP20 4ES: before 2020NP20 4ET: before 2020NP20 4EU: before 2020NP20 4EW: before 2020NP20 4EX: before 2020NP20 4EY: before 2020NP20 4EZ: before 2020NP20 4FA: before 2020NP20 4FB: before 2020NP20 4FD: before 2020NP20 4FE: before 2020NP20 4FF: before 2020NP20 4FG: before 2020NP20 4FH: before 2020NP20 4FJ: before 2020NP20 4FL: before 2020NP20 4FN: before 2020NP20 4FP: before 2020NP20 4FT: before 2020NP20 4FW: before 2020NP20 4FX: before 2020NP20 4FY: before 2020NP20 4FZ: before 2020NP20 4GA: before 2020NP20 4GB: before 2020NP20 4GD: before 2020NP20 4GE: before 2020NP20 4GF: before 2020NP20 4GG: before 2020NP20 4GH: before 2020NP20 4GJ: before 2020NP20 4GL: before 2020NP20 4GN: before 2020NP20 4GP: before 2020NP20 4GQ: before 2020NP20 4HA: before 2020NP20 4HB: before 2020NP20 4HD: before 2020NP20 4HE: before 2020NP20 4HF: before 2020NP20 4HG: before 2020NP20 4HH: before 2020NP20 4HJ: before 2020NP20 4HL: before 2020NP20 4HN: before 2020NP20 4HP: before 2020NP20 4HQ: before 2020NP20 4HR: before 2020NP20 4HS: before 2020NP20 4HX: before 2020NP20 4HY: before 2020NP20 4HZ: before 2020NP20 4JA: before 2020NP20 4JB: before 2020NP20 4JD: before 2020NP20 4JE: before 2020NP20 4JF: before 2020NP20 4JG: before 2020NP20 4JH: before 2020NP20 4JQ: before 2020NP20 4JR: before 2020NP20 4JS: before 2020NP20 4JT: before 2020NP20 4JU: before 2020NP20 4JW: before 2020NP20 4JX: before 2020NP20 4JY: before 2020NP20 4JZ: before 2020NP20 4LA: before 2020NP20 4LB: before 2020NP20 4LD: before 2020NP20 4LN: before 2020NP20 4LP: before 2020NP20 4LQ: before 2020NP20 4LR: before 2020NP20 4LS: before 2020NP20 4LT: before 2020NP20 4LU: before 2020NP20 4LW: before 2020NP20 4LX: before 2020NP20 4LY: before 2020NP20 4LZ: before 2020NP20 4NA: before 2020NP20 4NB: before 2020NP20 4ND: before 2020NP20 4NE: before 2020NP20 4NF: before 2020NP20 4NG: before 2020NP20 4NH: before 2020NP20 4NJ: before 2020NP20 4NL: before 2020NP20 4NN: before 2020NP20 4NT: before 2020NP20 4NU: before 2020NP20 4NW: before 2020NP20 4NX: before 2020NP20 4NY: before 2020NP20 4NZ: before 2020NP20 4PA: before 2020NP20 4PB: before 2020NP20 4PD: before 2020NP20 4PE: before 2020NP20 4PF: before 2020NP20 4PG: before 2020NP20 4PH: before 2020NP20 4PJ: before 2020NP20 4PL: before 2020NP20 4PQ: before 2020NP20 4PR: before 2020NP20 4RB: before 2020NP20 4RS: before 2020NP20 4SF: before 2020NP20 4SZ: before 2020NP20 4TG: before 2020NP20 4TL: before 2020NP20 4TW: before 2020NP20 4TX: before 2020NP20 4UL: before 2020NP20 4UR: before 2020NP20 4UT: before 2020NP20 4XN: before 2020NP20 4AJ: new since 2020 Newport Map of every postcode in the NP20 4 sector, by new since 2020 Of the 177 postcodes in the NP20 4 sector that ONS places, 1 are new since 2020 and 176 were in use before 2020. Places named: Newport. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Newport
  • New since 2020: 1
  • In use before 2020: 176

Of the 177 postcodes in the NP20 4 sector that ONS places, 1 are new since 2020 and 176 were in use before 2020.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. New since 2020 means it came into use in January 2020 or later. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

The newest postcode

NP20 4AJSeptember 2024

What do homes sell for in NP20 4?

Homes in NP20 4 sold for a typical £206,250 in the 12 months to August 2026, across 62 sales, down 6.2% on the 12 months before, HM Land Registry's figures show.

£206,250 typical price, the 12 months to August 2026
£220,000 12 months to August 2025
▼ down 6.2% on the 12 months before
  • Detached 4 sales, too few to price
  • Semi-detached £367,500 12 sales
  • Terraced £202,500 32 sales
  • Flat or maisonette £115,500 14 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value at the postcodes that start NP20 4. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in NP20 4

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

NP20 4ABNP20 4ADNP20 4AFNP20 4AGNP20 4AJNP20 4ALNP20 4ANNP20 4AQNP20 4ATNP20 4AUNP20 4AXNP20 4BDNP20 4BGNP20 4BHNP20 4BLNP20 4BNNP20 4BPNP20 4BQNP20 4BRNP20 4BSNP20 4BTNP20 4BUNP20 4BWNP20 4BXNP20 4BYNP20 4BZNP20 4DANP20 4DBNP20 4DDNP20 4DENP20 4DFNP20 4DGNP20 4DHNP20 4DJNP20 4DLNP20 4DPNP20 4DTNP20 4DUNP20 4DWNP20 4DXNP20 4DYNP20 4DZNP20 4EANP20 4EBNP20 4EDNP20 4EENP20 4EFNP20 4EGNP20 4EHNP20 4EJNP20 4ELNP20 4ENNP20 4EPNP20 4EQNP20 4ERNP20 4ESNP20 4ETNP20 4EUNP20 4EWNP20 4EXNP20 4EYNP20 4EZNP20 4FANP20 4FBNP20 4FDNP20 4FENP20 4FFNP20 4FGNP20 4FHNP20 4FJNP20 4FLNP20 4FNNP20 4FPNP20 4FTNP20 4FWNP20 4FXNP20 4FYNP20 4FZNP20 4GANP20 4GBNP20 4GDNP20 4GENP20 4GFNP20 4GGNP20 4GHNP20 4GJNP20 4GLNP20 4GNNP20 4GPNP20 4GQNP20 4HANP20 4HBNP20 4HDNP20 4HENP20 4HFNP20 4HGNP20 4HHNP20 4HJNP20 4HLNP20 4HNNP20 4HPNP20 4HQNP20 4HRNP20 4HSNP20 4HXNP20 4HYNP20 4HZNP20 4JANP20 4JBNP20 4JDNP20 4JENP20 4JFNP20 4JGNP20 4JHNP20 4JQNP20 4JRNP20 4JSNP20 4JTNP20 4JUNP20 4JWNP20 4JXNP20 4JYNP20 4JZNP20 4LANP20 4LBNP20 4LDNP20 4LNNP20 4LPNP20 4LQNP20 4LRNP20 4LSNP20 4LTNP20 4LUNP20 4LWNP20 4LXNP20 4LYNP20 4LZNP20 4NANP20 4NBNP20 4NDNP20 4NENP20 4NFNP20 4NGNP20 4NHNP20 4NJNP20 4NLNP20 4NNNP20 4NTNP20 4NUNP20 4NWNP20 4NXNP20 4NYNP20 4NZNP20 4PANP20 4PBNP20 4PDNP20 4PENP20 4PFNP20 4PGNP20 4PHNP20 4PJNP20 4PLNP20 4PQNP20 4PRNP20 4RBNP20 4RSNP20 4SFNP20 4SZNP20 4TGNP20 4TLNP20 4TWNP20 4TXNP20 4ULNP20 4URNP20 4UTNP20 4XNNP20 4ZF

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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