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CO code status data is published to the www.cnac.ca website from the CNAS master database every night from Monday through Friday.
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CO Code status data is provided here to assist carriers in determining which codes are available for applications and also for the general public to know where assigned codes are located. Networking and routing information can be found in the Local Exchange Routing Guide (LERG) (see ref1, ref2) |
Access the CO code (NXX) status data for a specific NPA by clicking on the links below.
The data is available in both a friendly HTML Format (on the left)
and in CSV Files (on the right). See below for notes related to a given NPA.
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![]() (You may find a higher resolution NPA map in the Area Code Maps section) |
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The CO code status for all NPAs are available in this compressed CSV file (requires a ZIP decompression utility).
For information regarding regulated and non-regulated exchanges, please see this link on the CRTC website: http://www.crtc.gc.ca/eng/publications/forbornelist.htm
The role of the Canadian Numbering Administrator (CNA) is being performed by COMsolve Inc.
under contract with Canadian Numbering Administration Consortium Inc. (CNAC). The CNAC
Privacy Policy and the www.cnac.ca Website Terms of Use may be found using the following links: |
Copyright ©1998-2021 Canadian Numbering Administration Consortium, Inc. (CNAC) |
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