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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Giffgaff 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.

Giffgaff 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

💷£5 bonus credit on £10 top-up

📱3-in-1 SIM fits all devices

📶4G & 5G connectivity

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

€ 1.59

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered 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 Austria.

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Description

📲 Stay connected, stay flexible—your SIM, your rules!

SWITCH PLANS ANYTIME - Choose or change Goodybag plans on your terms—stay in control of your mobile spend.
NEXT GEN NETWORK SPEEDS - Experience blazing fast 4G and 5G coverage powered by O2’s reliable network.
INSTANT BONUS CREDIT BOOST - Get £5 bonus credit when you top up £10 for the first time—more value, less waiting.
UNLIMITED FREEDOM NO CONTRACTS - Enjoy unlimited calls, texts, and data with pay-as-you-go flexibility—ditch the lock-in.
SEAMLESS MULTI DEVICE COMPATIBILITY - One SIM, three sizes—nano, micro, standard. Fits every phone effortlessly.

Giffgaff’s versatile 3-in-1 SIM card offers seamless compatibility with all devices and access to unlimited calls, texts, and data on a pay-as-you-go basis. Powered by O2’s 4G and 5G networks, it delivers fast, reliable connectivity without contracts. New users enjoy a £5 bonus credit on their first £10 top-up, making it a smart, flexible choice for professionals who value freedom and value.

Specifications

ASIN	B08KHDBZK5
Best Sellers Rank	338 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 4 in Prepaid SIM Cards
Brand	Giffgaff
Brand Name	Giffgaff
Cellular Technology	4G,5G
Cellular technology	4G,5G
Customer Reviews	4.5 out of 5 stars 195 Reviews
Manufacturer Part Number	43297349984
Model Number	43297349984
Number of Items	1
Number of items	1
Service Provider	O2
Service provider	O2
Smart Home Compatibility	Not Smart Home Compatible
UPC	746241786562 746241757845
Unit Count	1.0 count
Unit count	1.0 count

Reviews

M**C

Easy

Good app, easy to get set up

21.05.2026

K**R

Cheap and reliable

16.06.2026

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

M**K

Good choice

Good choice and price works well

29.05.2026

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

R**.

works

10.06.2026

J**M

Sim

It is what it is

7.06.2026

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

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Neha S.

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2 weeks ago

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€ 1.59

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered 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 Austria.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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1 month ago

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1 week ago

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