Blau

Germany ★★★ Verified Customer: 1212

Blau is a German MVNO founded 2005, acquired by E-Plus in 2011, now under Telefonica Deutschland. Shares O2's network. USSD *101# for balance (shared with O2). Blau app for self-service.

USSD codes by category

2 codes

Balance Enquiry 1 codes ▾

*100# Check current balance

Recharge & Transfer 1 codes ▾

*104*VoucherCode# Recharge with voucher code

Recharge Blau →