With new area code coming, 313 callers must dial all 10 digits starting Oct. 7

Withnewareacodecoming,313callersmustdialall10digitsstartingOct.7Stateofficialssaidthey’vealmostexhaustedthe313areacodeandDetroiterswillhavetostartdialingthefull10-digitphonenumber,evenforlocalcalls,startinginOctober. BeginningOct.7,alllocalcallsmadewithinthe313areacodefootprintmustuseall10digits.Callsplacedwithonlysevendigitswon’tbecompletedandcallerswillreceiveamessageaskingthemtodisconnectandtrytheircallagain,theMichiganPublicServiceCommission(MPSC)saidinapressreleaseMonday. Telephoneserviceproviderscanbeginissuingan“overlayareacode,”679,tonewphonecustomersinthe313area,whichincludesDetroitandseveralofitsclosestsuburbs,startingNov.7.Thismeanscallersmustdialall10-digitsinorderfortheircalltogothrough,MSPSsaid. Togivecustomerstimetogetusedtothechange,asix-month“permissivedialing”periodwillbeginApril7.FromthenuntilOct.7,localcallscanbemadebydialingeithertheseven-or10-digitnumber. New