Area code 748 — Colorado
Area code 748 is in Colorado. Time zone, overlays, counties and ZIP codes.
| Location | Western and northern parts of Colorado |
|---|---|
| State | Colorado |
| Status | In service · since 2025 |
| Local dialing | 10 digits |
History
- Overlaid on 970
Format a 748 number
US numbers are written as (748) 555-0123 or 748-555-0123. From outside the US, dial +1 748 555 0123.
Is a call from 748 a scam?
An area code only tells you where a number was assigned. Caller ID can be faked (“spoofed”), so do not trust a call just because the area code looks local. Never share codes or payment details with unexpected callers.
Sources: NANPA via NumberResearch.org (CC BY 4.0); place names and history from Wikipedia (CC BY-SA 4.0). See data sources.