Centre:
National Headquarters/Cross River Centre
Address:
Anyamurua Residential Estate,
Atimbo Road, P. O. Box 3663 UNICAL Post Office,
Calabar, Nigeria.
Telephone:
+234-87-230929, 08033578595
FAX:
Email:
gpicalabar@gpinigeria.org, gpi_hqcal@yahoo.co.uk
Centre:
Edo State Centre
Address:
67 New Road, Off Amadasun Street, Besides Ogbonmwan Group of Schools, Off Upper Ekenwan Road, Ugbiyokho, P.O. Box 7400, Benin City, Edo State.
Telephone:
+234-8073042499
Email:
gpibenin@gpinigeria.org
Centre:
Akwa Ibom State Centre
Address:
205 Aka Road, Uyo, Akwa Ibom State.
Telephone:
+234-8023618812
Email:
E-mail: gpiuyo@gpinigeria.org
Centre:
Delta State Centre
Address:
61 Ezenei Avenue, Asaba, Delta State.
Telephone:
+234-8036335215
Email:
gpiasaba@gpinigeria.org, gpiasaba@yahoo.com



