O2

O2 Outage Report in Welwyn, Hertfordshire, England

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O2 is the commercial brand of Telefónica UK Limited offering mobile phone and mobile internet service, including voicemail and SMS. With over 25 million customers, O2 runs 2G, 3G and 4G networks across the UK. O2 previously offered home broadband service.

Problems in the last 24 hours in Welwyn, England

The chart below shows the number of O2 reports we have received in the last 24 hours from users in Welwyn and surrounding areas. An outage is declared when the number of reports exceeds the baseline, represented by the red line.

O2 Outage Chart in Welwyn, Hertfordshire, England 01/16/2026 20:20

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Most Reported Problems

The following are the most recent problems reported by O2 users through our website.

  1. Phone (49%)

    Phone (49%)

  2. Internet (30%)

    Internet (30%)

  3. Total Blackout (14%)

    Total Blackout (14%)

  4. E-mail (4%)

    E-mail (4%)

  5. Wi-fi (3%)

    Wi-fi (3%)

  6. TV (%)

    TV (%)

Live Outage Map Near Welwyn, Hertfordshire, England

The most recent O2 outage reports came from the following cities: Buntingford, St Albans, Hemel Hempstead, Welwyn Garden City, Hertford and Waltham Cross.

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City Problem Type Report Time
United KingdomBuntingford Total Blackout
United KingdomBuntingford Internet
United KingdomSt Albans Phone
United KingdomHemel Hempstead Phone
United KingdomWelwyn Garden City E-mail
United KingdomSt Albans Phone

Community Discussion

Tips? Frustrations? Share them here. Useful comments include a description of the problem, city and postal code.

Beware of "support numbers" or "recovery" accounts that might be posted below. Make sure to report and downvote those comments. Avoid posting your personal information.

O2 Issues Reports Near Welwyn, England

Latest outage, problems and issue reports in Welwyn and nearby locations:

  • mrjc90 Josh (@mrjc90) reported from Hitchin, England

    @O2 not sure when your call centre in Cape Town opened but it’s been extremely painful trying to solve a simple issue..I might of been unlucky but think staff could do with some further training

  • Elissa524 Elissa Da Costa (@Elissa524) reported from St Albans, England

    @O2 Not sure what happened but all ok now thanks. Very good service to get me reconnected quickly

  • Steve_Edwards77 Steve Edwards (@Steve_Edwards77) reported from Hertfordshire, England

    @westspice @O2 Awful service for me today!

  • AddictiveColors Addictive Colors (@AddictiveColors) reported from London Colney, England

    @O2 I understand that carriages speed and materials do not help, but repeaters in tunnels sure would to avoid disruptions especially as they can particularly nasty to a laptop when the phone or the train is the hotspot as that side of the connection never goes down just the gateway’s

  • CraigFamilyBlog Hayley & Gavin (@CraigFamilyBlog) reported from St Albans, England

    Gav and I have had no mobile phone service for 3 days, but I have no service to call @virginmedia to let them know! It happens far too regularly. Just spent the morning searching for a new deal. @O2 looks like the best so far!

  • Craigcanfield Craig Canfield (@Craigcanfield) reported from Welwyn Garden City, England

    @O2 contract finished.. put on a rolling month deal.. nothing will change they said... 2 days now with no phone signal.. "sim provisioned"! Customer svc say it'll work soon. Gggrrr

  • jodyrandall Jody Randall Esq. (@jodyrandall) reported from Broxbourne District, England

    @O2 why is your 4G so bloody awful at Liverpool Street Station

  • WickhamofWare Jonathan Flood (@WickhamofWare) reported from Stevenage District, England

    @O2 @tescomobile No mobile signal in Great Ashby, Stevenage all day!!

  • bks67 bridget sparks (@bks67) reported from Hertfordshire, England

    @O2 I do have the app, I think I will phone the customer service team and ask them,

  • ItsMeEllisxD Ellis Brown (@ItsMeEllisxD) reported from London Colney, England

    @O2 Well it’s every time I leave Leicester. Or go to a new city.. even when I have 4 bars it’s either really slow or won’t load at all!

  • AndrewTRIrwin Andrew Irwin (@AndrewTRIrwin) reported from London Colney, England

    @EmmaShubrook @O2 Agreed. I have no signal at all

  • banafshbanafsh banafsheh (@banafshbanafsh) reported from Waltham Abbey, England

    @TazPDN @O2 So sorry to hear that ,#o2 is really bad, I'm with Vodaphone and they are much much better . Hope all get sorted for you x

  • DimitthriV Dimitthri Vithanage (@DimitthriV) reported from London Colney, England

    @O2 what is going on! 😭😭 Even when I have signal it's so slow!

  • isthatdan Dan (@isthatdan) reported from Stevenage District, England

    @O2 are gonna have to either offer me an amazing deal or sort out this horrendous signal issue. How can I not load a twitter video when I have a full 4 bars of 4G signal

  • RaviDheer Ravi Dheer (@RaviDheer) reported from London Colney, England

    @O2 I'm sick to death of your network. I'm trying to pay you and I can't. Now I'll wait for some fool to contact me. I give up with this pathetic network.

  • PaulWRamsay #HellomynameisPaul (@PaulWRamsay) reported from London Colney, England

    Really bad service from @O2, having calls from a shop to pressure into upgrades, no really clarity when calling 202 to ask what’s going on-I think I need a new network!

  • stourdave Dave (@stourdave) reported from London Colney, England

    @O2 How did this shit happen

  • Kami2k10 Kamiioo (@Kami2k10) reported from Luton, England

    @BBCNews @O2 worst coverage ever no solutions. The network towers always down but yet I'm still paying 55£ p.m i have no choice but to pay!! #ripoffbritain #conmen

  • dramattyhealy 🌜cobie🌛 (@dramattyhealy) reported from London Colney, England

    @O2 Hi, it’s been 2 weeks since i started receiving non stop calls from your call centres to get me get a plan with you, the caller said that i entered some kind of contest or signed up for this but i never did since i am happy with my current provider. This is very inconvenient

  • jmcomms Jonathan Morris 📱📸 (@jmcomms) reported from London Colney, England

    @VModifiedMind @benwood @EE @VodafoneUK @ThreeUK @O2 Albeit using half rate codec for voice. Sounded pretty awful.

O2 Issues Reports

Latest outage, problems and issue reports in social media:

  • iamjustjez Jez Kay (@iamjustjez) reported

    @O2 Let down by your recycle team. I queried their offer for my phone and last response from them was one whole week ago. They are currently in possession of my phone and at the very least I would have expected them to offer to send it back. #disappointed

  • philhellena dame philhellena (@philhellena) reported

    @O2 Still regularly getting No Signal due to a fire at a local mast WEEKS ago. And now you have the cheek to tell me you’re putting up prices!

  • ScottLeftIThink Scott Jonathon (@ScottLeftIThink) reported

    @O2 I can’t dial internationally from my mobile can you pls check my account for me ? Need support

  • Mr_Keyland Jack (@Mr_Keyland) reported

    @NYXZPokemon @O2 You would if they got pre orders they'd get a whole lot of stock in. Also with Samsung if they are expecting high demand from network providers then they'd make a **** ton

  • NathFerguson Nath (@NathFerguson) reported

    @Katy_mo @O2 Exactly my 4G and 5G has **** been like it for over a year and they don’t care about fixing it all they want is ur Money year after year they increase your bill but the service doesn’t improve the more you complain the more they ignore you just refuse to pay it till they fix it

  • GBsBestElvis Mark ELVIS Goddard (@GBsBestElvis) reported

    @O2 My wife has been issued a works phone which is on your network. Unfortunately, where we live, it only works if she goes upstairs and stands next to the window! Not very convenient and useless for Zoom meetings! Is there something we can get to boost the signal somehow please?

  • mohcader Mo Cader (@mohcader) reported

    Worse thing is your customer service staff who has a I don’t care attitude working from home said to me just sign up as a new customer and get your pac code when I am already a @O2 customer! No logic at all!

  • SophieeHopee Sophie!❤ (@SophieeHopee) reported

    Hey @O2 I’m trying to sort out compensation for my sons phone as it’s been out of service and I’ve still been paying it! Yet I’ve been on the phone for over an hour trying to get through to someone! Any Help Would Be Appreciated!

  • jakeleopold Jake March-Jones (@jakeleopold) reported

    Council Tax gone up by 16%!!!! What the actual ****? So let’s see… utilities all up by at least 10% (gas and electric double!), fuel up about 1000%, food up by on average about 17%, council tax 16%, @SkyUK up by 11%, @EE up by 9.8%, @O2 up by 8%…. When will this ******* corrupt

  • GeoffDEdwards2 Geoff D Edwards (@GeoffDEdwards2) reported

    @ChattenNatisha @iDMobileIreland You have 14 days as a cooling off period if I was you I would cancel the contract when you can and go with @O2 they are great!