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10-Digit Dialing Notice

Effective March 1, 2014, Indiana customers with the current area code 812 should begin to dial the area code + telephone number whenever placing a local 812 call from a landline phone. After this date, if you don't use the new dialing procedure, your call won't be completed, and a recording will instruct you to hang up and dial again.

To complete calls from a mobile phone, callers may continue to dial the area code + telephone number whenever placing a local 812 call.

This dialing procedure is required because of the new area code overlay, which allows telephone numbers with an area code of 930 to be added to the locations where 812 is used today.


What is an area code overlay?

An overlay is the addition of another area code (930) to the same geographic region as an existing area code (812). An overlay does not require customers to change their existing area code.


Who will be affected?

The 812 area code generally covers the southern third of the state of Indiana serving communities such as Bloomington, Columbus, Evansville, New Albany and Terre Haute. The new 930 area code will serve the same geographic area currently served by the existing 812 area code.


What will be the new dialing procedure?

To complete local calls, the new dialing procedure requires callers to dial area code + telephone number. This means that all calls in the 812 area code that are currently dialed with seven digits will need to be dialed using area code + telephone number. The same dialing procedure will apply to telephone numbers assigned to the new 930 area code.


When will the change begin?

Effective March 1, 2014, you should begin using the new dialing procedures whenever you place a call from the 812 area code. If you forget and dial just seven digits, your call will still be completed.

Beginning September 6, 2014, you must use the new dialing procedures, as described above for all calls. After this date, if you do not use the new dialing procedures, your calls will not be completed and a recording will instruct you to hang up and dial again.

Beginning October 6, 2014, new telephone lines or services may be assigned numbers using the new 930 area code.


What will you need to do?

In addition to changing your dialing procedures, all services, automatic dialing equipment, or other types of equipment that are programmed with a 7-digit number will need to be reprogrammed to use the new dialing procedures. Some examples are life safety systems, PBXs, fax machines, Internet dial-up numbers, alarm and security systems, gates, speed dialers, call forwarding settings, voicemail services, etc. You may also want to check your business stationery or advertising materials to ensure the area code is included.


What will remain the same?
  • Your telephone number, including current area code, will not change.
  • The price of a call, coverage area, or other rates and services will not change due to the overlay.
  • What is a local call now will remain a local call regardless of the number of digits dialed.
  • You can still dial just three digits to reach 911.
  • If 211, 311, 411, 511, 611, 711 or 811 are currently available in your community, you will still dial these codes with just three digits.

Who may you contact with questions?

If you have any questions regarding information provided in this notice, please call Cincinnati Bell: Residence Sales and Service at 513-565-2210 or 888-CIN-BELL (246-2355) or Business Sales and Service at 513-566-5050 or access the following websites for more information: www.cincinnatibell.com or http://iurc.in.gov/.