As you asking for the contact details of the Zonal offices of the State bank of Travancore the contact detials are given below

Regional Office,
Alappuzha
801/29, Opp. S.D.College,
Kalarcode,
Alappuzha - 688003,
0477-2267813, 2267814,

Regional Office, Coimbatore
260 V V Complex Avarampalayam Road,
New Siddhapudur,
Siddhapudur P.O.,
Coimbatore - 641044,Tamilnadu
0422-2240011, 2240014, 2240041, 2240070


Regional Office, Hyderabad
Plot No.645,II Floor ,Saivamsee Road No#36,Jubilee Hills, Hyderabad-500033
Andrapradesh
40-29801362, 040-29801361

Regional Office, Kannur
462, KVR Tower,
South Bazaar,
Kannur - 670002,
Kerala
0497-2765181, 270991, 2712660, 2709990

Regional Office, Kottarakkara
Hotel Highland Complex,
Kottarakara,
Kollam District - 691506,
Kerala
0474-2457323,2457324,2457325

For knowing the details of the any other branch offices of the State bank of Travancore you may go to the official site of the State bank of Travancore

The page may look as follow

State bank of Travancore



There at the right of the page you may get the Menu of the branch locator click on it After clicking you may redirect to the page from there you may get the details of the any other offices of the State bank of Travancore

For your convince here I am giving you the snapshot of that page