If you using Jio Sim and unable to send sms messages then the problem could be your Jio sms center number could be wrong, chck below the list of Jio SMS Center Number of All States and Circles.
Jio SMS Center Number
Below Jio Message Center Number are based on State and circle, kindly go to your mobile message settings and update the correct number as per below.
City Wise Jio SMS Message Center Number
Jio SMS Center Number Mumbai +917012075009
Jio SMS Center Number Hyderabad +917010075009
Jio SMS Center Number Bangalore +917010075009
Jio SMS Message Center Number Chennai +917012075009
Jio SMS Center Number Delhi +917010075009
Jio SMS Center Number Kolkata +917010075009
State and Circle Wise:
Jio SMS Center Number Andhra Pradesh +917010075009
Jio Message Center Number Assam +917012075009
Jio SMS Center Number Bihar +917012075009
Jio Message Center Number Chhattisgarh +917010075009
Jio Message Center Number Delhi +917010075009
Jio SMS Center Number Gujarat +917012075009
Jio Message Center Number Haryana +917012075009
Jio SMS Center Number Himachal Pradesh +917010075009
Jio Message Center Number Jammu and Kashmir +917010075009
Jio SMS Center Number Jharkhand +917010075009
Jio Message Center Number Madhya Pradesh +917010075009
Jio SMS Center Number Mumbai +917012075009
Jio Message Center Number North East +917012075009
Jio SMS center number Karnataka +917010075009
Jio Message Center Number Kerala +917012075009
Jio SMS Center Number Kolkata +97012075009
Jio Message Center Number Orissa +917010075009
Jio SMS Center Number Punjab +917012075009
Jio Message Center Number Rajasthan +917010075009
Jio SMS Center Number Tamil Nadu +917012075009
Jio Message Center Number Telangana +917010075009
Jio SMS Message Center Number Uttar Pradesh west +917010075009
Jio Message Center Number Uttar Pradesh east +917010075009
Jio SMS Center Number West Bengal +917010075009
Above JIO SMS center number will work for both Prepaid and Postpaid SIM of Jio Mobile Network.