Does pay as you go Sim come with a phone number

Yes they do, but you sometimes can ask to keep old number

I just want to use it for a spare phone could I use it in Ireland and could I top it up with credit from the post office?

Yes to using it in Ireland but I do not know whether or not you can top it up through post office.

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Nano/Micro/Standard SIM. Top Tariff Offers Unlimited Calls, Text, Data - Just Pay As You Go - no Contract. Multi Size, Fits All Devices. £5 Bonus Credit When You Top up £10 First Time.

Product ID: 233590460

Details

Brand
Giffgaff
Cellular technology
4G 5G
Service provider
O2
UPC
746241786562
Unit count
1.0 count

📱3-in-1 SIM fits all devices

📶4G/5G network ready

🔄No contract, pay-as-you-go

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€ 1.77

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

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Description

📲 Stay connected your way—no strings attached, just pure freedom!

FREEDOM TO FLEX - No contracts, no commitments—switch Goodybags anytime to match your lifestyle.
TOP RATED TRUSTED - Rated 4.5 stars by over 150 users, a proven choice for savvy mobile users.
UNLIMITED CONNECTIVITY - Enjoy unlimited calls, texts, and data on the reliable O2 network.
INSTANT ACTIVATION BONUS CREDIT - Get up and running fast with easy setup plus £5 bonus credit on your first £10 top-up.
SEAMLESS MULTI DEVICE COMPATIBILITY - One SIM, three sizes—nano, micro, standard—fits every phone effortlessly.

Giffgaff’s 3-in-1 SIM card offers flexible, contract-free mobile connectivity with unlimited calls, texts, and data on the O2 4G/5G network. Compatible with all devices, it includes a £5 bonus credit on your first £10 top-up and lets you switch plans anytime, making it the perfect choice for professionals who value freedom and value.

Specifications

ASIN	B08KHDBZK5
Best Sellers Rank	338 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 3 in Prepaid SIM Cards
Brand Name	Giffgaff
Cellular Technology	4G,5G
Customer Reviews	4.5 4.5 out of 5 stars (165)
Manufacturer Part Number	43297349984
Model Number	43297349984
Number of Items	1
Service Provider	O2
Smart Home Compatibility	Not Smart Home Compatible
UPC	746241786562 746241757845
Unit Count	1.0 count

Reviews

P**E

Flexible and easy to activate

I needed to quickly set up a second mobile. But didn't want to commit to a long term contract. This is a flexible rolling month to month auto renew which suits fine. Easy to activate and set up. Reasonably good value too.

8.02.2026

S**N

Fast delivery, package nicely 👌

Switched to giffgaff as Vodafone were increasing my tariff. Kept the same number, very easy to sort out

3.05.2026

F**R

Sim card

Great network very easy to activate good value

27.01.2026

D**D

It's a SIM, what do you expect?

It is what it is. Does what it says on the tin. Its a SIM. I like the template it's sent in, with the nano nestled in a holder for micro. Could do with a pin for removing the SIM from your phone. Setup was smooth and easy, all online no need to talk. Seem like good prices but I was only doing this for an emergency phone so PAYG.

7.05.2026

D**E

Easy installation

Bought for my niece, very easy to install into iPhone

31.12.2025

S**R

Payg sim

Easy to setup and use

18.11.2025

B**.

Perfect

Worked flawlessly. Exactly what I wanted. Nothing more to say. 5 Stars

26.09.2025

E**Z

Giff gaff

Brilliant device, quick and efficient, Good value for money

5.01.2026

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