all postcodes in HP / Hemel Hempstead… find any address or company within the HP postcode area AB / Aberdeen AL / St Albans B / Birmingham BA / Bath BB / Blackburn BD / Bradford BH / Bournemouth BL / Bolton BN / Brighton BR / Bromley BS / Bristol BT / Belfast CA / Carlisle CB / Cambridge CF / Cardiff CH / Chester CM / Chelmsford CO / Colchester CR / Croydon CT / Canterbury CV / Coventry CW / Crewe DA / Dartford DD / Dundee DE / Derby DG / Dumfries DH / Durham DL / Darlington DN / Doncaster DT / Dorchester DY / Dudley E / East London EC / East Central London EH / Edinburgh EN / Enfield EX / Exeter FK / Falkirk FY / Blackpool G / Glasgow GL / Gloucester GU / Guildford GY / Guernsey HA / Harrow HD / Huddersfield HG / Harrogate HP / Hemel Hempstead HR / Hereford HS / Outer Hebrides HU / Hull HX / Halifax IG / Ilford IM / Isle of Man IP / Ipswich IV / Inverness JE / Jersey KA / Kilmarnock KT / Kingston upon Thames KW / Kirkwall KY / Kirkcaldy L / Liverpool LA / Lancaster LD / Llandrindod Wells LE / Leicester LL / Llandudno LN / Lincoln LS / Leeds LU / Luton M / Manchester ME / Rochester MK / Milton Keynes ML / Motherwell N / North London NE / Newcastle upon Tyne NG / Nottingham NN / Northampton NP / Newport NR / Norwich NW / North West London OL / Oldham OX / Oxford PA / Paisley PE / Peterborough PH / Perth PL / Plymouth PO / Portsmouth PR / Preston RG / Reading RH / Redhill RM / Romford S / Sheffield SA / Swansea SE / South East London SG / Stevenage SK / Stockport SL / Slough SM / Sutton SN / Swindon SO / Southampton SP / Salisbury SR / Sunderland SS / Southend-on-Sea ST / Stoke-on-Trent SW / South West London SY / Shrewsbury TA / Taunton TD / Galashiels TF / Telford TN / Tunbridge Wells TQ / Torquay TR / Truro TS / Cleveland TW / Twickenham UB / Southall W / West London WA / Warrington WC / Western Central London WD / Watford WF / Wakefield WN / Wigan WR / Worcester WS / Walsall WV / Wolverhampton YO / York ZE / Lerwick HP1 HP10 HP11 HP12 HP13 HP14 HP15 HP16 HP17 HP18 HP19 HP2 HP20 HP21 HP22 HP23 HP27 HP3 HP4 HP5 HP6 HP7 HP8 HP9 Postcode Area HP / Hemel Hempstead Postcode District HP / Hemel Hempstead select a postcode below to view the associated residential addresses, businesses and companies Postcode Residential Businesses Locality Latitude Longitude HP4 1NJ 0 51.7743213 -0.5883422 HP4 1NN 0 51.7783359 -0.54446 HP4 1NP 0 51.7906344 -0.5543442 HP4 1NR 0 51.8191283 -0.5720456 HP4 1NS 1 51.7994725 -0.559999 HP4 1NT 0 51.811287 -0.5653598 HP4 1NU 0 51.8103815 -0.5626325 HP4 1NW 0 51.783412 -0.547022 HP4 1NX 1 51.811707 -0.5599936 HP4 1NY 0 51.8118952 -0.5591614 HP4 1NZ 0 51.8150629 -0.5514273 HP4 1PA 1 51.8134503 -0.5623574 HP4 1PB 0 51.8138356 -0.5634654 HP4 1PD 1 51.8129435 -0.5622157 HP4 1PE 0 51.8146114 -0.5634492 HP4 1PF 1 51.809841 -0.5603433 HP4 1PG 0 51.8099862 -0.5604547 HP4 1PH 0 51.808395 -0.5590114 HP4 1PJ 0 51.8078737 -0.557563 HP4 1PL 1 51.8028537 -0.5493114 « 112 »