🇬🇧 United Kingdom · England

Ipswich postcodes

Ipswich, England, has 8 postcode districts, from IP1 to IP9. Which one applies depends on the street address.

Postcode Districts
8
Population
178,835
Region
England
Coordinates
52.0592, 1.1555

All Ipswich postcode districts

IP1IP2IP3IP4IP5IP6IP8IP9

Includes codes within a few kilometres of the city centre. Data: GeoNames (CC BY 4.0) and zipcodestack.

UK postcodes have two parts. These lists show the first part, the postcode district (outward code), e.g. SW1A. A full postcode such as SW1A 1AA covers around 15 addresses; the zipcodestack API covers 2.6 million full UK postcodes.

Frequently asked questions

What is the postcode of Ipswich?

Ipswich has 8 postcode districts in England. The right code depends on the street address; the list on this page shows all of them, starting with IP1.

How many postcode districts does Ipswich have?

Our data lists 8 postcode districts for Ipswich, United Kingdom. The list includes codes of the city centre and surrounding districts.

How do I find the exact postcode for an address in Ipswich?

Use the official postal service lookup or a geocoding API with the full street address. For software, the zipcodestack API returns city, region and coordinates for any postcode and can search codes by city or by radius.

Postal code API

Ipswich postcode districts in your app

zipcodestack looks up, validates and searches postal codes in 149 countries: city, state, coordinates, distances and radius search, as JSON.

/v1/code/city documentation ZIP code API All documentation

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GET https://api.zipcodestack.com/v1/code/city?city=Ipswich&country=gb

{
  "query": { "city": "Ipswich", "country": "gb" },
  "results": ["IP1", "…"]
}

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