New NPAs in service between 1 August 2021and 31 October 2021
|NPA||Country||Time Difference (From GMT)||State||State Abbrv.||Service Date||Comments
|474||CANADA||-6||Saskatchewan|| ||02 Oct 2021||
|742||CANADA||-5||Ontario|| ||16 Oct 2021||
See World Zone 1 for explanation of "NPA"
||is with respect to GMT (UCT)
|indicate the code is not in use: the "Service Date" has been delayed or not set
||is the date code becomes (or became) effective. If no date is shown, the code was introduced before 1995