- List of future North American area codes
Certain area codes in the
North American Numbering Plan are intended to be used as needed for additional telephone numbers in various locations. As the rules on how they will be used is not necessarily firm, these area codes are redirected here for reference purposes. When these area codes actually go into service, they will have their own actual reference page for the particular area code in question.*Area code 227:
Maryland (This code is scheduled to provide numbering relief to area code 240 but no date has been assigned for this to go into effect.)
*Area code 341:California This Area code is scheduled to provide numbering relief for Area code 510 but no date has been assigned for this to go into effect.
*Area code 369:California This code is scheduled to provide numbering relief to Area code 707, but no date has been assigned for this to go into effect.
*Area code 447:Illinois
*Area code 464:Illinois Overlay ofArea code 708
*Area code 475:Connecticut Overlay ofArea code 203 ; proposed in 1999
*Area code 543:Ontario (North Dundas County area)
*Area code 557:Missouri Overlay ofArea code 314
*Area code 627:California This Area code is scheduled to provide numbering relief to Area code 707 but no date has been assigned for this to go into effect.
*Area code 628:California This Area code is scheduled to provide numbering relief to Area code 415 but no date has been assigned for this to go into effect.
*Area code 659:Alabama This Area code is scheduled to provide numbering relief to Area code 205 but no date has been assigned for this to go into effect.
*Area code 667:Maryland This Area code is scheduled to provide numbering relief to Area code 443 but no date has been assigned for this to go into effect.
*Area code 679:Michigan This Area code is scheduled to provide numbering relief to Area code 313 but no date has been assigned for this to go into effect.
*Area code 689:Florida This Area code is scheduled to provide numbering relief to Area code 407 but no date has been assigned for this to go into effect.
*Area code 730: Illinois Overlay of Area code 618
*Area code 737:Texas This Area code is scheduled to provide numbering relief to area code 512 but no date has been assigned for this to go into effect.
*Area code 764:California This Area code is scheduled to provide numbering relief to Area code 650 but no date has been assigned for this to go into effect.
*Area code 825: reserved for future usage inAlberta, Canada .
*Area code 872:Illinois This Area code is scheduled to provide numbering relief to Area code 312 but no date has been assigned for this to go into effect.
*Area code 935:California This Area code is scheduled to provide numbering relief to Area code 619 but no date has been assigned for this to go into effect.
*Area code 959:Connecticut Overlay ofArea code 860 ; proposed in 1999
*Area code 984:North Carolina This area code is scheduled to provide overlay relief to code 919 but no date has been assigned for this to go into effect.ee also
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List of North American Numbering Plan area codes
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