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Canadian Numbering Administrator
Administrateur de la numérotation canadienne

 

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 provide 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) <ref1> <ref2>

Jeopardy Contingency Plan

The following NPA(s) are currently in a Jeopardy Condition. When an NPA is in Jeopardy, a Jeopardy Contingency Plan is put into effect for that NPA and must be followed. Jeopardy Contingency Plans for NPAs can be accessed on their respective Relief Planning pages which can be accessed at the links below: While the following NPA(s) are no longer in a Jeopardy Condition, code restrictions are still currently in place:

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
 263*
289
306
343
 354*
365
367
 368*
403
416
418
 428*
431
437
438
450
474
506
514
519
548
579
581
587
604
613
639
647
672
 683*
705
709
742
 753*
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
 263*
289
306
343
 354*
365
367
 368*
403
416
418
 428*
431
437
438
450
474
506
514
519
548
579
581
587
604
613
639
647
672
 683*
705
709
742
 753*
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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