
Tesco Customer Service Number: Ireland Phone & Live Chat
The main Tesco Ireland customer service line is 1800 248 123, but calling the wrong number for your specific need puts you in the wrong queue. This guide lists every working phone number for Tesco Ireland and Tesco Mobile Ireland, with hours, live chat options, and what to expect when you call.
Ireland Helpline: 1800 248 123 (8am-9pm Mon-Fri) · Tesco Mobile Ireland: 089 420 0000 · Live Chat Availability: 7am-9pm daily · UK Groceries Line: 0345 301 4455 · Saturday Hours: 9am-9pm
Quick snapshot
- 1800 248 123 is the main Tesco Ireland line (Tesco Ireland)
- 089 420 0000 reaches Tesco Mobile Ireland (Tesco Mobile Ireland)
- Live chat runs 7am-9pm daily via tescomobile.ie (Tesco Mobile Ireland Help Centre)
- Exact call costs for 089-prefix numbers from non-Tesco mobiles
- Whether email addresses exist outside the contact form
- Current validity of published hours as of early 2026
- Tesco Mobile Ireland call centre remains operational in Waterford
- 31 physical stores across Ireland provide in-person support
- No major service changes reported in available sources
- Use the right number for your specific service need
- Try live chat for quick queries before calling
- Contact form available for written complaints
Here is the complete contact matrix for Tesco services across Ireland and the UK.
| Contact type | Number / Method | Hours |
|---|---|---|
| Ireland Groceries | 1800 248 123 | 8am-9pm Mon-Fri, 9am-9pm Sun |
| International Callers | 0080000225533 | Same as Ireland line |
| Tesco Mobile Ireland | 089 420 0000 | 9am-6pm daily |
| Live Chat (Mobile) | tescomobile.ie | 7am-9pm daily |
| UK Groceries | 0345 301 4455 | Varies by day |
| Tesco Rewards | 0894 200 000 | 8am-8pm daily |
| Clubcard Residents | 1800 248 123 | 9am-8pm M-F, 9am-6pm Sat |
| In-Store Queries | Contact form | Available 24/7 online |
“Chat to a member of our customer care team through Livechat. Available from 7am-9pm Monday to Sunday.”
— Tesco Mobile Ireland Help Centre
“For all customer service related queries please contact the Customer Service team from 9am to 6pm Monday to Sunday on 1800 248 123.”
— Tesco Ireland Contacts Page
How do I contact Tesco customer service in Ireland?
The primary customer service number for Tesco Ireland groceries is 1800 248 123. This freephone line handles order tracking, refunds, and general queries related to your online grocery delivery (Tesco Ireland). Callers outside Ireland should use 0080000225533 to reach the same team without international charges.
Grocery helpline details
For groceries specifically, the hours break down as follows:
- Monday to Friday: 8am to 9pm
- Saturday: 8am to 9pm
- Sunday: 9am to 9pm
Clubcard support follows slightly different hours. Residents can reach the loyalty team on the same 1800 number from 9am to 8pm Monday to Friday and 9am to 6pm on Saturday (Tesco Ireland). Sunday support is not available for Clubcard queries.
Hours of operation
One thing to watch: there is a discrepancy in published hours across different Tesco sources. The official groceries contact page lists 8am-9pm for weekdays, while the Tesco Ireland contacts page states 9am-6pm for general customer service on 1800 248 123. The safer approach is to call earlier in the day when possible.
Conflicting hours across Tesco’s own pages mean you could reach a busy signal or automated message if you call outside the narrower 9am-6pm window. Calling between 8am and 9pm on weekdays gives you the widest coverage window.
International calling option
If you’re calling from outside Ireland, use 0080000225533 — this international freephone number connects you to the same grocery support team (Tesco Ireland). Non-EEA residents calling about Clubcard queries can use 1800 248 123 from 9am to 5pm Monday to Saturday, with no Sunday service.
The bottom line: Use 1800 248 123 for all Ireland-based grocery and Clubcard queries. International callers should dial 0080000225533 to avoid charges. Call before 6pm if you want to play it safe on hours.
How do I contact Tesco customer services by phone?
Beyond the main groceries line, several specialist numbers serve different Tesco services. Here is the breakdown of the key phone lines you need to know.
UK main line
For Tesco UK grocery orders, the online order help line is 0800 323 4040, available Monday to Saturday 7am-11pm and Sunday 8am-10pm (Tesco UK Help Contact Page). The UK Clubcard helpline is 0800 591 688, open Monday to Friday 8am-8pm and Saturday 9am-6pm. Both 0800 numbers are free from landlines and mobiles.
Mobile specific numbers
Tesco Mobile Ireland operates its own customer care team with dedicated phone lines:
- 089 420 0000 — general customer care (this costs standard rates from non-Tesco phones)
- 1903 — free to call from a Tesco Mobile phone
- 089 494 1000 — telesales enquiries
The Tesco Mobile Ireland customer care team operates 9am to 6pm seven days a week (Tesco Mobile Ireland Help Centre).
Cost information
Not all Tesco numbers are free. The 1800 prefix works as an Irish freephone line, meaning calls from landlines and most mobile providers are at no charge. However, the 089-prefix numbers used by Tesco Mobile Ireland carry standard call rates from non-Tesco mobiles — exact costs vary by provider. The 0345 UK rate applies to non-freephone UK landlines and may cost more from mobile devices.
Choosing the correct number first saves you time, but using the wrong one can mean waiting in queue only to be transferred. Mobile customers should weigh whether a call to 089 420 0000 is worth the cost versus using live chat.
How do I speak to Tesco customer service?
Getting a human on the line requires the right approach. These steps help you navigate the system efficiently.
Direct phone steps
- Identify your service need: groceries, mobile, or Clubcard
- Dial the relevant number from this guide
- Listen to the automated menu — select the option matching your query
- Request to speak to an agent if the menu doesn’t resolve your issue
- Have your account details ready to verify your identity
Best times to call
Tuesday to Thursday mornings between 9am and 11am typically see shorter wait times. Monday mornings and Friday afternoons tend to be busiest as customers resolve weekend issues or end-of-week queries. Sunday evenings also see higher call volumes after weekend shopping.
Alternative contact methods
If you keep hitting queues, the online contact form at tesco.ie handles written queries for groceries and in-store purchases. Tesco UK also offers WhatsApp support at 0800 917 7403 with a virtual assistant called Little Helper available anytime, though this is not yet available for Ireland customers.
Saying “agent” or “representative” at any point in the automated menu typically bypasses further prompts and connects you to a human operator faster.
Does Tesco have a live chat feature?
Yes, but availability differs between services. Here is what you can expect from chat options.
Availability and access
Tesco Mobile Ireland offers the most accessible live chat option. You can chat with a support agent from 7am to 9pm daily through the help centre at tescomobile.ie (Tesco Mobile Ireland Help Centre). This covers billing, account management, and technical queries for mobile customers.
Tesco Mobile chat
Beyond the website, Tesco Mobile Ireland also offers customer care chat via Facebook and Twitter between 8am and 8pm daily, including bank holidays (Tesco Mobile Ireland Customer Care Page). Their in-app messenger provides another channel for mobile customers preferring to manage everything from the app itself.
Groceries support chat
For online grocery orders, live chat is less prominent. The Tesco Ireland website primarily directs customers to the contact form for written queries. Tesco Mobile’s chat remains the best option for real-time support across most Tesco Ireland services, even for non-mobile questions.
The pattern: grocery customers have fewer real-time options than mobile customers, making the contact form the primary asynchronous channel for written issues.
How do I email a complaint to customer service?
Tesco Ireland does not publish a direct email address for complaints. Instead, the official channel for written correspondence is the online contact form.
Complaint channels
- Use the contact form at tesco.ie/groceries/zone/contact-us for grocery complaints
- Include your order number, description of the issue, and preferred resolution
- Expect a response within the same timeframe as phone support
Tesco Mobile Ireland states that emails through their channels aim to receive a response within 48 hours (Tesco Mobile Ireland Customer Care Page). General Tesco Ireland grocery complaints follow similar response timeframes, though exact SLAs are not publicly published.
Clubcard and other services
Clubcard-specific queries must go through the same 1800 248 123 line — there is no separate Clubcard email address. For non-urgent Clubcard issues, using the contact form and noting you are a Clubcard holder helps route your query to the loyalty team.
Response expectations
Written complaints through the contact form typically receive acknowledgement within 24 hours, with a full response within 3 to 5 working days for straightforward queries. Complex complaints involving refunds or account corrections may take longer. Retaining your reference number from the form submission helps follow up if needed.
For urgent matters, phone beats email every time — the 48-hour email window is too slow for delivery issues or account locks. Use the contact form for documented follow-ups after an initial phone call or for issues that need a paper trail.
Summary
Calling the right number for your specific service matters more than you might expect. Using 1800 248 123 for groceries when you need Clubcard support puts you in the wrong queue. For Ireland-based shoppers, the main line handles most needs between 8am and 9pm on weekdays. Mobile customers have better real-time options through live chat than grocery customers do. Tesco UK customers benefit from WhatsApp support and longer operating hours that Ireland has yet to match.
The implication: know your number before you dial — wrong queue means starting over.
Is Tesco 4444 free?
Tesco 4444 is not a standard Tesco Ireland contact number. The main freephone line is 1800 248 123. Tesco UK uses 4444 for in-store queries, but this does not apply to Ireland operations.
What number is 0345 301 4455?
0345 301 4455 is the UK Tesco groceries helpline. It is not the primary number for Ireland customers, who should use 1800 248 123 instead. The 0345 prefix carries standard UK call rates from landlines and may cost more from mobiles.
Is 0800 free on Tesco Mobile?
Tesco Mobile Ireland does not use 0800 numbers. The customer care line is 089 420 0000, which carries standard call rates from non-Tesco phones. Calling from a Tesco Mobile handset to 1903 is free.
How much do 0344 numbers cost from Mobile?
0344 numbers typically cost around 10 to 40 pence per minute from UK mobiles, depending on your provider and tariff. Tesco UK uses 0345 numbers rather than 0344. Always check with your mobile provider for exact rates.
When are the best times to call Tesco Ireland?
Tuesday to Thursday between 9am and 11am typically sees the shortest wait times. Monday mornings and Friday afternoons are busiest as customers resolve weekend issues or end-of-week queries. Sunday evenings also see higher volumes after weekend shopping.
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Ireland callers can use 089 420 0000 for Tesco Mobile issues, while the Tesco Mobile customer service contacts details further options like live chat and store visits.