Mo 08:00 a.m Tu 08:00 a.m We 07:30 a.m Th 08:00 a.m Fr 08:00 a.m Sa Closed Su Closed Click here for a map. OIS - Online Integrated Solutions https://www.ngex.com/bd/b/OIS---Online-Integrated-Solutions_3-Houston-Texas-United-States/

OIS manages Nigeria BVN, visa and passport services for Nigerians and those travelling to Nigeria.  Offers visa application by mail and walk in enrollment centers for Bank Verification Number (BVN).