To ensure a continuing supply of new telephone numbers for Philadelphia and its surrounding area, the Pennsylvania Public Utility Commission approved an area code
The 619 area code
is expected to use up its available prefixes by March 2019.
Neustar forecasts that numbering resources in the 609 area code
will be exhausted by the third quarter of 2018.
The CPUC has started the process to introduce a new area code
to the area now served by the 805 area code
, as the 805 is now expected to use up its available prefixes by June 2018 due to increased demand.
With the 415/628 area code
overlay, customers must dial 1 plus the three-digit area code
for all calls to and from telephone numbers with the 415 and 628 area codes
New Hampshire received 603 as its area code
in 1947 when Ma Bell set up the long-distance system in preparation for direct-dial calling.
While dialing the area code
isn't mandatory yet, the state recommends that callers make a habit of 10-digit dialing now to ease the transition.
The Federal Communications Commission requires the full number be dialed in areas where an "overlay" is implemented, adding a new area code
for new phones where existing phones keep their current codes.
Dallas has recently gone from dialing seven digits for a local number to 10 digits after implementing a second and third area code
I leave my number with the new area code
on voice mail (no one actually answers the telephone anymore), and the calls are returned.
The change will increase the number of possible central office codes within a given area code
from 640 to 792.
SAN DIEGO -- Beginning October 24, 2009, residential and business customers served by the 760 area code
must dial 1 + the area code
+ phone number when making calls.