NANPA Planning Letter (PL) Number 431 – Saskatchewan, Canada – NPA 639 to Overlay NPA 306

NANPA has assigned NPA 639 to provide relief for the 306 NPA serving Saskatchewan, Canada effective May 2013.

The distributed overlay will require residents to dial 10-digits once the permissive dialing period ends.

Key implementation dates are:

11/25/2012 – Central office codes in new NPA become available
02/25/2013 – Permissive dialing period begins
05/25/2013 – Mandatory 10-digit dialing begins

For test numbers and a map of the affected area, go to www.nanpa.com.

NANPA Planning Letter (PL) Number 430 – California – NPA 669 to Overlay NPA 408

NANPA has assigned NPA 669 to provide relief for the 408 NPA serving most of Santa Clara County, California and several surrounding communities. 

This all-services overlay will require residents to dial 1+10-digits once the permissive dialing period ends.

Key implementation dates are:

04/21/2012 – Permissive dialing period begins
05/20/2012 – Central office codes in new NPA become available
10/20/2012 – Mandatory 1+10-digit dialing begins
11/20/2012 – Central office codes in new NPA activate
 
For test numbers and a map of the affected area, go to www.nanpa.com.