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CO Code Status


CO code status data is published to the www.cnac.ca website from the CNAS master database every night from Monday through Friday.

NOTICE

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.

 

HTML Format
204
226
236
249
250
289
306
343
365
 367*
403
416
418
431
437
438
450
506
514
519
548
579
581
587
604
613
639
647
705
709
778
780
782
807
819
825
867
873
 879*
902
905

NPA MAP

(You may find a higher resolution NPA map in the Area Code Maps section)

CSV Files
204
226
236
249
250
289
306
343
365
 367*
403
416
418
431
437
438
450
506
514
519
548
579
581
587
604
613
639
647
705
709
778
780
782
807
819
825
867
873
 879*
902
905



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

* Notes



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