With hundreds of carriers operating in multiple states, it’s not easy to locate the exact tariff or carrier information you need. Just enter the OCN or the OCN name – or even the type of carrier – plus the state, and CCMI’s CABS database of switched and special access data will return a detailed list of all the associated tariffs along with OCN and LATA coverage. BONUS: enter the overall OCN and see a complete list of all affiliated carriers!