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A vertical service code (VSC) is a sequence of digits and the signals star (*) and pound/hash (#) dialed on a telephone keypad or rotary dial to access certain telephone service features. [1] Some vertical service codes require dialing of a telephone number after the code sequence.
This list contains the mobile country codes and mobile network codes for networks with country codes between 300 and 399, inclusively – a region that covers North America and the Caribbean. Guam and the Northern Mariana Islands are included in this region as parts of the United States.
The B block of spectrum was awarded to a local wireline carrier that provided landline telephone service in the CMA. The A block was awarded to non-wireline carriers. In 1986, the FCC allocated an additional 5 MHz of spectrum for each channel block, raising the total amount of spectrum per block to the current total of 25 MHz. [3]
(Reuters) - United States Cellular said on Thursday it has agreed to sell a portion of spectrum licenses used to transmit mobile phone signals and high-speed data services to AT&T in a $1.02 ...
Look at the area code: Start by comparing the phone number’s area code to the list of area codes you should never answer. If it’s on the list, there’s a good chance there’s a scammer on ...
The type of service this circuit is providing. C = Service Code Modifier: 2 Characters. Required. Modifies the meaning of the service code, often identifies different billing options. D = Serial Number: 1–6 digits. Required. E = Suffix: 3 character suffix to the serial number. Optional, but rarely used. F = Company Code: 2–4 alphabetic ...
This rounded the total number of digits in a subscriber telephone number to ten: a three-digit area code, a three-digit central office code, and four digits for each line. This fixed format defined the North American Numbering Plan as a closed numbering plan , [ 27 ] as opposed to developments in other countries where the number of digits was ...
In addition to the support options listed above, paid members also have access to 24/7 phone support by calling 1-800-827-6364. Popular Products. Account; AOL Mail;