Postal Code Finder
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United Kingdom postal codes starting with PO3

Prefix PO3 contains 11 postcode records across 75 mapped localities in United Kingdom.

Verified data profile for United Kingdom prefix PO3

Based on 75 records, 11 postcode values and 75 mapped localities. Coordinate coverage is 100.0%.

75
Records
11
Postal identifiers
100.0%
Geocoded
PO3
Example code
Postal code Locality Administrative path Coordinates
PO3 Hilsea England / Hampshire 50.831, -1.0653
PO30 Arreton England / Isle of Wight 50.678, -1.245
PO30 Blackwater England / Isle of Wight 50.6667, -1.2833
PO30 Bowcombe England / Isle of Wight 50.6793, -1.338
PO30 Brighstone England / Isle of Wight 50.6426, -1.3948
PO30 Brook England / Isle of Wight 50.6916, -1.3132

Related postal lookups

United Kingdom
Country · 27,450 records
All prefixes
Postal code prefixes · 3,002 records
Prefix PH3
Postal code range · 11 records
Prefix PL1
Postal code range · 11 records
Prefix PL2
Postal code range · 11 records
Prefix PO1
Postal code range · 11 records
Prefix RG2
Postal code range · 11 records
Prefix RH1
Postal code range · 11 records
Prefix RM1
Postal code range · 11 records
Prefix SA1
Postal code range · 11 records

Prefix coverage and examples

Use this page to understand country coverage, postal code formats, prefixes and the most useful child pages for lookup or download. The canonical route for this record set is /postal-codes/united-kingdom/codes/po3.

How to use this lookup

  • Use the sample rows to verify what the prefix actually covers.
  • Compare neighboring prefixes when a city or district spans multiple ranges.
  • Download the country dataset when you need every code in the prefix.
Records
75
Database rows represented by this canonical route.
Postal identifiers
11
Distinct postal code values in this route.
Localities
75
Mapped place names or administrative entries.
Coordinate coverage
100.0%
Rows with latitude and longitude available.
Detected format
Alphanumeric outward/inward postcode
UK postcodes combine an outward code and inward code separated by a space.
Example
PO3
Sample code from Hilsea.
Prefix use
range lookup
Use this range when you know the first digits or letters but need matching localities.
Code Place Hierarchy Coordinates
PO3 Hilsea England / Hampshire 50.831, -1.0653
PO30 Arreton England / Isle of Wight 50.678, -1.245
PO30 Blackwater England / Isle of Wight 50.6667, -1.2833
PO30 Bowcombe England / Isle of Wight 50.6793, -1.338
PO30 Brighstone England / Isle of Wight 50.6426, -1.3948
Download postal data
CSV, JSON and XLSX exports for research, validation and data products.
Use the API
Query postal codes by country, place name, region or code prefix.
Implementation notes
Field definitions, canonical paths and practical lookup guidance.

Useful related pages

United Kingdom
Country · 27,450 records
All prefixes
Postal code prefixes · 3,002 records
Prefix PH3
Postal code range · 11 records
Prefix PL1
Postal code range · 11 records
Prefix PL2
Postal code range · 11 records
Prefix PO1
Postal code range · 11 records
Prefix RG2
Postal code range · 11 records
Prefix RH1
Postal code range · 11 records
Prefix RM1
Postal code range · 11 records
Prefix SA1
Postal code range · 11 records

Data questions

What does this postcode prefix cover?

This page lists representative records, localities and nearby ranges for the United Kingdom prefix PO3 prefix in United Kingdom.

Is the complete prefix dataset shown here?

The HTML page shows a bounded sample from 11 matching identifiers and points to the country export for complete coverage.

How should I use a prefix page?

Use it to narrow a lookup when you know the first characters of the code, then confirm locality, region and coordinates.

Related prefix ranges in United Kingdom

Compare this range with other active postcode prefixes from the same country-level directory.

PH3
11 codes across 160 localities.
PL1
11 codes across 190 localities.
PL2
11 codes across 132 localities.
PO1
11 codes across 67 localities.
RG2
11 codes across 134 localities.
RH1
11 codes across 115 localities.
RM1
11 codes across 24 localities.
SA1
11 codes across 147 localities.

Representative postal code examples

This page keeps a bounded sample for fast crawling and links each code to its canonical lookup page. Use the country export when you need the full prefix dataset.

Postal code Locality Region Coordinates
PO3 Hilsea England / Hampshire 50.831, -1.0653
PO30 Arreton England / Isle of Wight 50.678, -1.245
PO30 Blackwater England / Isle of Wight 50.6667, -1.2833
PO30 Bowcombe England / Isle of Wight 50.6793, -1.338
PO30 Brighstone England / Isle of Wight 50.6426, -1.3948
PO30 Brook England / Isle of Wight 50.6916, -1.3132
PO30 Calbourne England / Isle of Wight 50.6777, -1.4002
PO30 Carisbrooke England / Isle of Wight 50.6928, -1.3175
PO30 Chillerton England / Isle of Wight 50.6916, -1.3132
PO30 Downend England / Isle of Wight 50.6868, -1.2469
PO30 Gatcombe England / Isle of Wight 50.6916, -1.3132
PO30 Gunville England / Isle of Wight 50.6916, -1.3132
PO30 Hunny Hill England / Isle of Wight 50.6916, -1.3132
PO30 Limerstone England / Isle of Wight 50.6916, -1.3132
PO30 Merstone England / Isle of Wight 50.6653, -1.2591
PO30 Moortown England / Isle of Wight 50.6916, -1.3132
PO30 Mottistone England / Isle of Wight 50.6518, -1.4271
PO30 Newbridge England / Isle of Wight 50.6869, -1.4193
PO30 Newport England / Isle of Wight 50.7015, -1.2912
PO30 Newtown England / Isle of Wight 50.7138, -1.4011
PO30 Ningwood England / Isle of Wight 50.6916, -1.3132
PO30 Parkhurst England / Isle of Wight 50.6916, -1.3132
PO30 Porchfield England / Isle of Wight 50.6916, -1.3132
PO30 Shalfleet England / Isle of Wight 50.7014, -1.415
PO30 Shorwell England / Isle of Wight 50.6445, -1.3549
PO30 Staplers England / Isle of Wight 50.6916, -1.3132
PO30 Yafford England / Isle of Wight 50.6916, -1.3132
PO31 Cowes England / Isle of Wight 50.7631, -1.2977
PO31 Gurnard England / Isle of Wight 50.7606, -1.3241
PO31 Northwood England / Isle of Wight 50.741, -1.3119
PO32 East Cowes England / Isle of Wight 50.7577, -1.2881
PO32 Osborne England / Isle of Wight 50.7507, -1.275
PO32 Whippingham England / Isle of Wight 50.7375, -1.2686
PO33 Binstead England / Isle of Wight 50.7247, -1.2041
PO33 East Ashey England / Isle of Wight 50.7247, -1.2041
PO33 Fishbourne England / Isle of Wight 50.733, -1.2118
PO33 Havenstreet England / Isle of Wight 50.7112, -1.2054
PO33 Haylands England / Isle of Wight 50.7247, -1.2041
PO33 Quarr Hill England / Isle of Wight 50.7247, -1.2041
PO33 Ryde England / Isle of Wight 50.73, -1.1621
PO33 St Helens England / Isle of Wight 50.7247, -1.2041
PO33 Wootton Bridge England / Isle of Wight 50.7244, -1.2369
PO33 Wootton Common England / Isle of Wight 50.7247, -1.2041
PO34 Nettlestone England / Isle of Wight 50.7102, -1.1196
PO34 Seaview England / Isle of Wight 50.7196, -1.1116
PO35 Bembridge England / Isle of Wight 50.6863, -1.0828
PO35 Hillway England / Isle of Wight 50.6863, -1.0828
PO36 Alverstone England / Isle of Wight 50.6674, -1.186
PO36 Apse Heath England / Isle of Wight 50.666, -1.1739
PO36 Brading England / Isle of Wight 50.6799, -1.1457
PO36 Branstone England / Isle of Wight 50.666, -1.1739
PO36 Newchurch England / Isle of Wight 50.6674, -1.2083
PO36 Sandown England / Isle of Wight 50.6516, -1.161
PO36 Yaverland England / Isle of Wight 50.666, -1.1739
PO37 Luccombe Village England / Isle of Wight 50.6261, -1.1785
PO37 Shanklin England / Isle of Wight 50.6261, -1.1785
PO38 Bierley England / Isle of Wight 50.605, -1.242
PO38 Blackgang England / Isle of Wight 50.605, -1.242
PO38 Bonchurch England / Isle of Wight 50.5995, -1.186
PO38 Chale England / Isle of Wight 50.5956, -1.3184