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Common Language Code Spreadsheets (delivered by email after one business day after an order confirmation) - Design Routing Codes (DRC) Spreadsheet
- Exchange Carrier (EC) Codes Spreadsheet
- IAC Codes Spreadsheet
- Interexchange Customer Service Center/Service Center (ICSC/SC) Codes Spreadsheet
- Manufacturer/Supplier/Related (MFR) Service Company Codes Spreadsheet
- Switching System Codes (SSC) Spreadsheet
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