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 03/17/2026 22:30

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Most Reported Problems

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

  1. Phone (47%)

    Phone (47%)

  2. Internet (31%)

    Internet (31%)

  3. Total Blackout (16%)

    Total Blackout (16%)

  4. Wi-fi (3%)

    Wi-fi (3%)

  5. E-mail (2%)

    E-mail (2%)

  6. TV (%)

    TV (%)

Live Outage Map Near Welwyn, Hertfordshire, England

The most recent O2 outage reports came from the following cities: Hemel Hempstead, Hatfield, St Albans, Luton and Stevenage.

Loading map, please wait...
City Problem Type Report Time
United KingdomHemel Hempstead Internet
United KingdomHatfield Wi-fi
United KingdomSt Albans Wi-fi
United KingdomLuton Phone
United KingdomStevenage Phone
United KingdomSt Albans Internet

Community Discussion

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O2 Issues Reports Near Welwyn, England

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

  • lovepbx Pauline (@lovepbx) reported from Waltham Abbey, England

    @O2 I have been trying to talk someone ... please can someone get back to me! I need urgent help.

  • GoonerKJP Kaz 💋 (@GoonerKJP) reported from Stevenage District, England

    @O2 when I upgrade with a different network next week do I cancel my direct debit with you? Or do you do it ? @Barclays

  • behu91 Ben (@behu91) reported from Hemel Hempstead, England

    @O2 are breaching trading standards. Have sent me a voucher code but are not allowing it to be redeemed against S21. Apparently due to being a new launch device, however there is nothing in the terms and conditions to suggest this should be an issue.

  • HilaryRWriter Hilary Robertson (@HilaryRWriter) reported from Hitchin, England

    @O2 Yes. I’m trying to cancel my mobile broadband and cannot do it on myO2. The ‘help’ keeps sending me round in circles

  • ShanWilson_ Shan Wilson (@ShanWilson_) reported from Hemel Hempstead, England

    @O2 @mtsavor I cannot call 202 or any other number that is supposed to be “o2” as I don’t know who I’m talking to. I’ve been hung up on twice when I’m explaining what’s happened. I need to cancel the iPhone contract or change the address with an actual o2 staff member!

  • lordshaun_ Lord Shaun O’Brien (@lordshaun_) reported from St Albans, England

    @O2 customer services truly are as much use as an ashtray on a motorbike.

  • johndpmc none of your business (@johndpmc) reported from Luton, England

    @O2 words fail me with how shockingly bad you are Your service is appalling, doing a sim swap on my behalf without telling me or having the new sim in my possession!So now no phone or contact to anyone unless in WiFi, wanna hope I have no accidents when I’m outside!! #theworst

  • ian_slade2 Ian Slade (@ian_slade2) reported from London Colney, England

    @O2 is the data network down? Zero mobile data connectivity all day. Plenty left on the plan

  • misswotless1 Miss Wotless (@misswotless1) reported from London Colney, England

    Remind me never to frequent the @O2 store on Oxford Street again - so rude and unhelpful, telling the customer before me not to come back

  • Mattoco Matt O'Connor (@Mattoco) reported from St Albans, England

    This Christmas, @O2 is donating data to those who need it. For every tweet using #O2DataPledge this Giving Tuesday, they'll donate even more data to the National Databank. Tap below to tweet your support 👇

  • lovepbx Pauline (@lovepbx) reported from Waltham Abbey, England

    @O2 can someone from customer services contact me ... I need urgent help ... Thanks

  • a1_nos A1NOS (@a1_nos) reported from Hemel Hempstead, England

    Hey @O2 showing again why you really are market leaders in Customer Service. Big shout out to Lauren. 👌👌👌

  • MarkstanYoutube Mark Stanford (@MarkstanYoutube) reported from Luton, England

    This Christmas, @O2 is donating data to those who need it. For every tweet using #O2DataPledge this Giving Tuesday, they'll donate even more data to the National Databank. Tap below to tweet your support 👇

  • CalvinLaurenson Calvin Laurenson (@CalvinLaurenson) reported from London Colney, England

    @O2 is your London 4g network having issues? I have multiple o2 devices that aren't connecting

  • Palouisea UnhappyHoopla (@Palouisea) reported from Shenley, England

    @VOXI_UK I have been on a staycation this week I am appalled at how poor your reception is in many parts of South East. Going back to @O2 as sim only!! Very frustrating 😕 missed many important phone calls. Pm me to discuss

  • philter66 Phil Turner (@philter66) reported from Hatfield, England

    @O2 simply dreadful customer experience tonight -felt really let down

  • JoshBates Josh (@JoshBates) reported from London Colney, England

    @O2 Hi, can you please help me add Spend Cap to my Pay Monthly account? Don’t seem to be able to do this from web site which is a little frustrating to say the least x

  • JohnDWebb John Webb (@JohnDWebb) reported from London Colney, England

    @Stephen_Neal @O2 It’s the same with @NatWest_Help - their URL is ‘nwolb’ to login and check stuff. Surely these big companies should be leading by example?

  • emmatrainis Emma Trainis (@emmatrainis) reported from Shenley, England

    @O2 I ordered Disney + on 24.12.20 on Priority and have not received an email. Cannot get through on phone or live chat. Please can someone help me

  • JanGoodeve Cllr Jan Goodeve (@JanGoodeve) reported from Hertfordshire, England

    @traceylsteve @O2 @GreggsOfficial I had the same issue in the #Hertford store, the app just said to try again later so ended up paying.

O2 Issues Reports

Latest outage, problems and issue reports in social media:

  • Nojjy Nojjy (@Nojjy) reported

    @O2 Any update on when 5g / better coverage is coming to bristol/bath area. Thinking of leaving - it's pretty bad

  • talk_2_frank talk2️⃣frank (@talk_2_frank) reported

    @holroyd_ryan @O2 Yeah still not got back to me, pretty shocked at how poor the CS is

  • LottieP123 Lottie P (@LottieP123) reported

    @O2 Hi I redeemed an Odeon code via o2 Priority but it’s not working. Can you help please? Thanks!

  • _Shafleek Shafleek👑 (@_Shafleek) reported

    @O2 i am sick and tired of your network every month I have signal issues and can’t use the full services of my phone I am paying for and to top it off you have a cheek to rise you phone bill by 8%…

  • BouldsStephen Stephen Boulds (@BouldsStephen) reported

    @O2 My wife is an O2 customer, and we have just signed up to @virginmedia. We were expecting to be able to take advantage of a Volt boost, but can't seem to be able to link accounts. How long does the VM service need to be active before we can do this? (Accounts in same name)

  • paulberry2303 Paul Berry (@paulberry2303) reported from Wolverhampton, England

    @O2 I have today received another letter telling me the phone is blocked. I don’t have an O2 phone. I have never had an O2 phone. I don’t owe any money. I know you are looking at it but surely you can put a block on correspondence while you do?

  • atoonlad Paul (@atoonlad) reported

    @EE And yet you still can't get a signal in Newcastle on match day. You could with @O2 though. Over 5 years and still a problem. Shame @O2 's deals are rubbish.

  • holroyd_ryan Ryan (@holroyd_ryan) reported

    @O2 your customer service is horrific. Someone call me NOW before I cancel my contract

  • hannah15mini Hannah Packman (@hannah15mini) reported

    @O2 hello, is there anyway of getting back accidental deleted text messages? I am with o2 and wondered if you can help please? Thanks

  • Matthu_me Matty reedman (@Matthu_me) reported

    @O2 you have failed yet again to sort the ongoing issue with my mobile phone. I was hung up on several times today trying to resolve this issue. Either its sorted tomorrow or I'll take it as breach of contract!!