Vietcombank sold the greenback at VND26,453, up 0.01% from Thursday. On the black market, the currency rose 0.1% to around VND26,615 on the black market.
The State Bank of Vietnam raised its rate by 0.01% to VND25,194.
Globally, the dollar held on to steep gains on Friday after better-than-forecast U.S. data dampened expectations for further easing by the Federal Reserve this year, Reuters reported.
The dollar index, which measures the greenback against major peers, climbed 0.6% in the previous session after figures on U.S. economic growth, unemployment claims, durable goods, and wholesale inventories all beat expectations.
The dollar index was steady at 98.473, near a three-week high and on course for a 0.8% rise this week.
The greenback was flat at 149.81 yen after nearly breaking through the 150 mark for the first time since Aug. 1. The euro stood at $1.1665 after a 0.6% slide on Thursday.
Friday's personal consumption expenditures (PCE) price index, the Fed's preferred inflation measure, is expected to show a 0.3% month-on-month increase for August and a 2.7% year-on-year rise, according to a Reuters poll.
"At a time when Fed members are worried about elevated inflation, we think such a report will be encouraging," said Bansi Madhavani, senior economist at ANZ. "So long as inflation impulse signals that this inflation trend is intact, we expect the Fed can continue to ease in gradual increments of 25 basis points."