by admin on February 2, 2010
Starting June 10, 2010 the North American Numbering Plan Administration will introduce a new area code covering the same Alabama area currently served by area code 256 (Athens, Decatur, Florence, Huntsville, etc). The new area code is 938.
Starting November 7, 2009 a permissive dialing period began during which calls within area code 256 may be dialed using both the 7 digit and 10 digit dialing formats. The permissive dialing period will end on June 5, 2010. After June 5 all calls within the area covered by area codes 256 and 938 must be dialed using the 10 digit format.
NANPA announcement and map of the new overlay complex (in PDF format)
by admin on October 14, 2009
Starting December 12, 2009, Connecticut area code 203 covering cities such as Bridgeport, New Haven or Stamford wil be overlayed by the new area code 475. The new code will cover the exact same area currently covered by area code 203.
As a result of the introduction of this new area code, CT residents of these areas will be required to dial 10 digit numbers for local calls. There is a permissive dialing period allowing both 7 and 10 digit dialing starting on May 16, 2009 and ending on November 14, 2009. Starting Nov. 14 all calls within the 203/475 overlay complex should be dialed using 10 digit dialing.
See NANPA announcement and map of the new overlay complex (PDF).
