Area Code Lookup
What Area Code Is Montebello?
2 area codes serve Montebello · California
Montebello is served by area codes 213, 323. It is located in California.
Area Codes Serving Montebello
Frequently Asked Questions
What area code is Montebello?
Montebello is served by area codes 213, 323. It is located in California.
Why does Montebello have multiple area codes?
As demand for phone numbers increased, NANPA added area codes through splits (dividing the region) or overlays (layering a new code over the same geography). Montebello now has 2 area codes — 213 and 323 — covering the same or overlapping areas.
How do I call Montebello from outside the US?
To call Montebello from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-213-XXX-XXXX). The +1 is the country code for all NANPA countries.