UK Mobile Networks

		O2 (UK) www.o2.co.uk GSM Network Code: 234-10 SMSC Number: +447802000332
		Vodafone (UK) www.vodafone.co.uk GSM Network Code: 234-15 SMSC Number: +447785014208
		T-Mobile (UK) www.t-mobile.co.uk GSM Network Code: 234-30 SMSC Number: +447958879879
		Orange (UK) www.orange.co.uk GSM Network Code: 234-33 SMSC Number: +44973100973
		Virgin Mobile www.virginmobile.com GSM Network Code: 234-30 SMSC Number: +447958879879

Trade Associations

		MDA Mobile Data Association www.themda.org
		160 Characters SMS and Mobile Data Association www.160characters.org

Regulatory

		ICSTIS Premium Rate Services Regulator www.icstis.org.uk
		Short Code Management Group www.short-codes.com