What Is the Tesco Mobile Contact Number?
Tesco Mobile provides phone support for both existing customers and new customers looking to join. The main customer care number is 089 4000 100, available Monday to Saturday.
| Contact Type | Number | Availability |
|---|---|---|
| Customer Care | 089 4000 100 | Mon–Sat 8 am–8 pm |
| From a Tesco Mobile Phone | 1749 (Freephone) | Mon–Sat 8 am–8 pm |
| From Abroad | +353 89 4000 100 | Mon–Sat 8 am–8 pm |
| Top-Up (Automated) | 1740 | 24/7 |
| Lost/Stolen Phone | 089 4000 100 (then press option for lost/stolen) | 24/7 for SIM block |
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Other Ways to Contact Tesco Mobile
Tesco Mobile Live Chat
Tesco Mobile offers live chat support through the Help section of their website. Click "Chat with us" to connect with an agent. Live chat is available during the same hours as phone support (Monday to Saturday, 8 am to 8 pm).
Social Media
You can reach Tesco Mobile through social media for quick queries:
| Platform | Handle |
|---|---|
| @TescoMobileIreland | |
| X (Twitter) | @TescoMobileIE |
| @tescomobileireland |
In-Store Support
Unlike online-only operators, Tesco Mobile SIM cards and basic support are available at Tesco stores across Ireland. Store staff can help with SIM purchases, top-ups, and basic account queries.
How Do I Make a Complaint to Tesco Mobile?
If you need to lodge a formal complaint:
- Call 089 4000 100 and ask to log a complaint;
- You will receive a reference number for tracking;
- Tesco Mobile aims to resolve complaints within 10 working days.
If unresolved, escalate to ComReg. Keep your reference number and any correspondence records.
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Our broadband experts at Selectra can help you secure a fast, affordable plan in your area - completely free.
Frequently Asked Questions About Contacting Tesco Mobile
The main number is 089 4000 100. If calling from a Tesco Mobile phone, dial 1749 for free.
No. Tesco Mobile phone and chat support is available Monday to Saturday, 8 am to 8 pm. On Sundays, use the online Help Centre or self-service options.
Call 089 4000 100 immediately. An automated option is available 24/7 to block your SIM and prevent unauthorised use.
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