City Name / Region National Dialing Format International Dialing Format
New Halfa0 (421) 820XXX+249 (421) 820XXX
New Halfa0 (421) 821XXX+249 (421) 821XXX
New Halfa0 (421) 822XXX+249 (421) 822XXX
New Halfa0 (421) 823XXX+249 (421) 823XXX
New Halfa0 (421) 824XXX+249 (421) 824XXX
New Halfa0 (421) 825XXX+249 (421) 825XXX