Nepal Airlines Corporation​ Building, Kantipath 
Kathmandu, Nepal
Tel No:+977-1-(4220757, 4248614, 4244055, 4248617) 
Fax: +977-1-4225348
Email: info@nac.com.np

For Online Ticketing issues: raonline@nac.com.np

Toll Free No: 
For Domestic Flight Information
1618070757010
For International Flight Information
1618070757020