Area Code Search
Mountain time zone
Current Time in New Castle: 12:43 AM
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: 12:43 AM
| Area Code | State | City | Timezone |
|---|---|---|---|
| 970 | Colorado | New Castle | Mountain |