NANPA Fourth Quarter 2009 Update

In reviewing NANPA’s recently released fourth quarter ’09 update, we found several items of interest and are recapping them for you below:

Area Code Relief Activity

• Alabama – Permissive 10-digit dialing for the existing 256 NPA/938 overlay began 11/7/09, with mandatory 10-digit dialing set to begin on 6/5/10. (See PL-389) Additionally, Jeopardy status for the 256 area code was rescinded by NANPA on 11/23/09, as it was no longer necessary.
• California – Mandatory 1+ 10-digit dialing for the new 442 NPA began 10/24/09; thus, completing the overlay for the 760 area code. (See PL- 381)
• Connecticut – The 203 NPA overlay was complete on 12/12/09, which was the effective date for the new 475 area code. (See PL-388) With the implementation of the 475 area code overlay, the neighboring 860 NPA’s dialing plan was also impacted. Ten-digit dialing is now required for local calls within and outside of the 860 NPA (all toll calls require 1+ 10-digit dialing).
• Illinois – On 11/7/09, mandatory 1+ 10-digit dialing began for the new 872 NPA, completing the overlay for 312 and 773 NPAs. (See PL-392)
• Nebraska – June 26, 2010, is the date set for 10-digit permissive local dialing to begin in the 402 and 531 area codes. The new 531 area code has been assigned as an overlay for the 402 NPA. Mandatory 10-digit dialing will begin 2/26/11. An open-ended 10-digit permissive local dialing for the adjacent 308 NPA starts on June 26, 2010 as well. (see PL-397)
• Oregon – Mandatory 10-digit dialing for the new 458 NPA began 1/10/10, this new area code is serving as the overlay for the 541 NPA. (See PL-383)
• Pennsylvania – NANPA filed a relief petition recommending an overlay for Pennsylvania’s existing 717 NPA on 10/20/09.
• Wisconsin – Permissive seven- or 10-digit dialing began on 10/17/09 for the new 534 NPA, which serves as the overlay for the 715 NPA. Mandatory 10-digit dialing is set to begin 7/17/10. (See PL-384)

NANPA Nuggets:
~ The FCC exercised the six-month option in the NANPA contract on 1/8/10, making the contract effective through 7/8/10.
~ The North American Numbering Council (NANC) charter has been renewed through September 25, 2011.

Now available on NANPA’s website:

• In the "Reports" section…
  -- Central office codes from the PCS 533 NPA code are now being assigned by NANPA. Access via the "5YY-NXX" link on the NANPA reports page.
  -- An updated "NPA Dialing Plans" report for all US in-service geographic area codes (reflecting the recent implementation of new NPAs in California, Connecticut and Illinois) is available. Access via the "NPA" link on the NANPA reports page.
• In the "Tools" section…
  -- The most current NAS training guides available (several have recently been updated). Access via the "NAS Training Guides" link on the tools page.
  

How much NPA knowledge do you have? We found these "Did you know?" questions interesting…

Q. Which states have the most NPAs?
A. California with 30, followed by Texas (24), Florida (17), and New York (14).

Q. Which states have the most NPA overlay complexes?
A. California, Texas, Illinois and Massachusetts each have 4 overlay complexes.

Q. How many geographic splits have been implemented in the last five years?
A. Two – California 909/951 and New Mexico 505/575.

Q. How many NPA overlays have been implemented in the last five years?
A. Nineteen.

Q. How many single NPA states are there?
A. Ten: Alaska, Delaware, Hawaii, Idaho, Maine, Montana, North Dakota, Rhode Island, South Dakota and Vermont."

For more NANPA news, visit http://www.nanpa.com.