It should be on you check. It is 9 digits long.
011500120
211170114
citizen
011401533
036076150
RBS Citizens Bank
The routing number is 211070175.
211170114
011500120
citizen
011401533
036076150
011401533
211070175
Citizens Bank in Massachusetts.
021313103
Statewide Citizens Bank PA routing number = 036076150 ALL of PA and only PA per their customer service 05/09/09