We all know Skype is the cheapest way to ring home from abroad, but if like me you're stuck without access and need to make an important call, you won't find better value than this call centre in Hanoi's old quarter.
Calls to most countries cost an incredible 1,500 dong a minute (compared with about 5,000 from Vietnamese SIM cards and 20,000 from travel agencies), and to ring the US or Canada it's even cheaper.
Be warned though, the owner doesn't keep too strictly to the advertised 8am-10pm opening hours. I was caught out as early as 6.30pm as he'd obviously decided to knock off early.
But if you catch it open, you'll be able to natter to your heart's content without your call costing the earth.
3 Ta Hien, Hoan Kiem, Hanoi's old quarter
Down a smallish alley between Hang Buom and Hang Bac.
Google map: bit.ly/gnarE3
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