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Home > Networks > Three > 4G coverage checker

Three's 4G and 3G coverage: check signal strength in your area

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Check Three's network coverage and signal strength in your local area and see if 4G is available. Enter your postcode and get an instant result. Last updated 1st February 2017

Coverage checker

This is Three's official coverage checker taken from their official website. Enter your postcode to check 4G, 3G and 2G where you use your mobile.

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Three's latest SIM only deals

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Use the filters to below to find a SIM only contract with the right amount of minutes, texts and data.

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Texts

0+

Minutes

0+

Data

0+

Done
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Showing SIM only deal(s) available with at least any minutes, any texts and any amount of data on 4G, on any length contract.

Sign up today via SIM Sherpa

Order direct from Three

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delivery

1) Pick one of these brilliant deals

2) Tell us what size SIM you need

3) We'll take you straight to Three to check out

3) We'll take you straight

texts
mins
data
on G
£ a month
on a month contract

Get this deal
texts
mins
data
on G
£ a month
on a month contract

Get this deal
texts
mins
data
on G
£ a month
on a month contract

Get this deal
texts
mins
data
on G
£ a month
on a month contract

Get this deal
texts
mins
data
on G
£ a month
on a month contract

Get this deal

Sign up today via SIM Sherpa

Order direct from Three

Free delivery

Keep your current number

How it works

1) Pick one of these brilliant deals

2) Tell us what size SIM you need

3) We'll take you straight to Three to check out

More topics:

Our guides to Three's latest offers

Latest SIM only offers on Three

Latest Three SIM only offers

Read our guide to Three's latest SIM only offers

Three's existing customer offers

Three existing customer offers

Read about offers for existing Three customers

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