New NPAs in service between Monday, April 01, 2013and Sunday, June 30, 2013
| NPA | Country | Time Difference (From GMT) | State | State Abbrv. | Service Date | Comments |
| 274 | USA | -6 | Wisconsin | WI | 04 May 2013 | Proposed |
| 639 | CANADA | -6 | Saskatchewan | | 25 May 2013 | |
| 873 | CANADA | -5 | Quebec | | 01 Jun 2013 | |
| 236 | CANADA | -8 | British Columbia | | 01 Jun 2013 | |
See World Zone 1 for explanation of "NPA"
Where shown:
| Time Diff. |
is with respect to GMT (UCT) |
Suspended
Pending
Proposed |
indicate the code is not in use: the "Service Date" has been delayed or not set |
| Service Date |
is the date code becomes (or became) effective. If no date is shown, the code was introduced before 1995 |