You may notice two letter codes attached to some of your billed calls. These are Chorus Service Charge codes.
The most common codes are DA (Directory Assistance), CL (Collect Call) and NS (0900 call).
Here is the full list:
| CK | Auto Collect National |
| CL | Collect Call |
| CM | Auto Collect from mobile phone |
| DA | Directory Assistance |
| DB | International Directory Assistance |
| DF | Non-Chargeable |
| DI | NZ Direct Call |
| DM | Direct Connect Call Charge |
| DT | Direct Connect Service Fee |
| EM | Emergency |
| IN | International Call |
| IO | Operator Distance Charge |
| MC | Mobile Collect |
| MT | Mobile Transfer Charge |
| NJ | 0900 Call - GST exempt |
| NS | 0900 Call |
| OA | Operator Assisted Call |
| PC | Payphone Collect |
| PP | Person to Person |
| PQ | Auto Collect from payphone |
| PT | Payphone Transfer Charge |
| RB | Cellular Calling Card |
| RL | Cellular Collect/Transfer Charge |
| SI | Ship to Shore |
| TC | Transfer Charge |
| XH | Smartfax |