10-Digit Dialing Now in Effect for the 806, 940 & 915 Area Codes
10-Digit Dialing means that the area code has to be including in the dialing of all local phone calls. Other area codes affected also included 575 in Eastern New Mexico
10 Digit Dialing
10-Digit Dialing Starts This Month in 806 and 940 Area Codes
The change is due to the creation of a new three-digit number for the National Suicide Prevention Lifeline, which goes into effect next year