Ten-digit dialing is a telephone dialing procedure in the countries and territories that are members of the North American Numbering Plan (NANP). It is...

Seven-digit dialing is a telephone dialing procedure customary in some territories of the North American Numbering Plan (NANP) for dialing telephone numbers...

American Numbering Plan Administrator, permissive dialing began on April 24, 2021 and ten-digit dialing has been required from October 24, 2021. In late...

to ten-digit dialing by October 24, 2021. List of Texas area codes NANPA area code map of Texas "Transition to 10-digit dialing (for 988 as 3-digit access...

to transition to ten-digit dialing by October 24, 2021. List of Texas area codes "Transition to 10-digit dialing (for 988 as 3-digit access to National...

protection that maintained seven-digit dialing in the metro-area. Assignment of these prefixes would require dialing an area code. The three local operating...

to transition to ten-digit dialing by October 24, 2021. List of Texas area codes "Transition to 10-digit dialing (for 988 as 3-digit access to National...

scheduled to transition to ten-digit dialing by October 24, 2021. That allowed the 353 overlay to be implemented without permissive dialing period. List of Wisconsin...

to transition to ten-digit dialing by October 24, 2021. List of Texas area codes "Transition to 10-digit dialing (for 988 as 3-digit access to National...

dialing. This area code was therefore scheduled to transition to ten-digit dialing by October 24, 2021. Prefixes without date existed long before databases...

to transition to ten-digit dialing by October 24, 2021. List of Iowa area codes "Transition to 10-digit dialing (for 988 as 3-digit access to National...

Alabama. It had an overlay area code 938 added in 2010, which required ten-digit dialing. The area code 251 in south Alabama was split area code from 334 in...

single area code, even local calls in the numbering plan area require ten-digit dialing, because prior to October 2021, area code 254 had telephone numbers...

codes of 988 that still permitted seven-digit dialing, requiring all such NPAs to transition to ten-digit dialing. On November 28, 2022, the 209 numbering...

subscriber stations, dialing plans establish the customer dialing procedures, i.e., the sequence of digits or symbols to be dialed to reach a destination...

10, 2023. A permissive dialing period was not necessary for this overlay, because area code 561 already had a ten-digit dialing requirement, because prior...

HNPA (home numbering plan area) dialing, callers simply use seven-digit dialing (i.e. dialing the last seven digits of the phone number). To North America...

had seven-digit dialing and telephone numbers with the central office code (exchange) 988 were required to either change to ten-digit dialing or retire...

area in 2023. The creation of the three-code overlay complex made ten-digit dialing mandatory across the Valley; it was already required in 480. When...

date, a permissive dialing period began during which both seven- and ten-digit calls would be able to complete. Ten-digit dialing was originally to become...

dialing. This area code was therefore scheduled to transition to ten-digit dialing by October 24, 2021. The numbering plan area comprises the following...

therefore scheduled to transition to ten-digit dialing by October 24, 2021. "Transition to 10-digit dialing (for 988 as 3-digit access to National Suicide Prevention...

dialing. This area code was therefore scheduled to transition to ten-digit dialing by October 24, 2021. List of North American Numbering Plan area codes...

dialing. This area code was therefore scheduled to transition to ten-digit dialing by October 24, 2021. Atherton Belmont Broadmoor Burlingame Colma Daly...

usually a digit. This lends the method the often used name loop disconnect dialing. In the most common variant of pulse dialing, decadic dialing, each of...

dialing. This area code was therefore scheduled to transition to ten-digit dialing by October 24, 2021. List of Colorado area codes "Area Codes Map,...

dialing. This area code was therefore scheduled to transition to ten-digit dialing by October 24, 2021. As of March 2023, 352 will need another area...

still local calls, despite the need for ten-digit dialing. In general, placing long-distance calls requires dialing the trunk code 1, but this may be optional...

dialing. This area code was therefore scheduled to transition to ten-digit dialing by October 24, 2021. Counties: Armstrong, Bailey, Borden, Briscoe...

a second area code, 272, creating an overlay plan, which required ten-digit dialing for the area. When the American Telephone and Telegraph Company (AT&T)...