National Social Security Fund (HQ) – P.O. Box 30599 – 00100, Nairobi, Kenya
Main Line: (020) 2729911, 2710552
Toll Free: 0800 2212744
Cell Phone: 0709-583000, 0730-882000
ISDN: 2832000
Fax: (020) 2727882, 2722013, 2711615
Email: info@nssfkenya.co.ke
Website: selfservice.nssf.or.ke
Office of the Ombudsman: 020-2270000, 020-2303000