Any input is helpful input, so thank you! I'm still troubleshooting a bit -- if I find anything helpful, I'll post it!

Second that :) I've always been a fan of Piranha :D

Hi guys, FYI: I've ordered a iNum incoming number to my Piranha Sim. No setup fee and a monthly charge of 0,50 GBP.

It took no more then 24 hours to set it up and works like a charm. I've tried several mobile networks as well as VOIP providers and incoming calls work like a charm on the GSM part of Piranha...

BK

I have just noticed the new rates Piranha have introduced, it was posted on there facebook page and i somehow missed it. They have become very competitive in a lot of countries, in fact i cannot find anyone cheaper. I tested Piranhas download speeds on my latest trip to US and i was pleasantly pleased, i was getting downloads speeds of between 3-5 Mbps, which is better than my domestic sim in the UK:>)

Piranhas facebook posts:

1. Piranha introduces fantastic new rates in the following countries Aruba, Bermuda, Bonaire, Curacao, Samoa: Anguilla, Antigua, Barbados, Cayman Islands, Dominica, Grenada, Haiti, Jamaica, St. Kitts & Nevis, St. Lucia, St. Vincent & The Grenadines, Turks & Caicos Island, Fiji, Nauru and Egypt.
2. Piranha introduces more unbeatable rates in Singapore and Rwanda.
3. Piranha reduces rates in the British Virgin Islands
4. Piranha introduces new improved rates in Argentina, Brazil, Chile, Colombia, Costa Rico, Ecuador, Guatamala, Mexico, Peru, Jersey, Tajikistan, Uruguay and Venezuela.

Do you happen to recall which network you were on?

Also, this might be useful.

Some useful Piranha information to change things from the handset rather than the web

Sorry i was on T-Mobile:-D

Nothing to be sorry about. Just wished to know the speed's network for a reference point.

T-Mobile's rate for data is less so if that network is available, there would be no good reason [except for curiosity and its price] to be on AT&T.

Can someone please tell me what UK number prefix (07 and next 4 digits) Piranha uses?

447418506xyz

Would that be 07418506xyz ?

According to:
http://www.freecarrierlookup.com/

Carrier: Telecom North America Mobile
Is Wireless: n

Thanks. I wanted to check if it was included in minute bundles by UK networks. Most say no.