Mountain time zone
Current Time in New Castle: 09:57 PM

New Castle Area Codes

Here is the current list of area codes in New Castle, CO. There is currently 1 area code(s) in New Castle. Search all the most up-to-date currently used New Castle area codes below.

Mountain time zone
Current Time in New Castle: 09:57 PM
Area Code State City Timezone
970ColoradoNew CastleMountain