ocr: Regional Center (RC) - 1 - - - - - Regional Area (RA) - - - - d - - - - - - - - - District Center (DC) . A District Area Toll Center C (DA) - - - - - - (TC) - - - - - - y - - A C 5 - - - - Local service - Toll Area Area (LA) (TA) End Office (EO) Esiatoucatibbst) EU
