Area Code Lookup
What Area Code Is Monticello?
6 area codes serve Monticello
Monticello is served by area codes 319, 574, 606, 762, 845, 870. It spans Iowa and Indiana and Kentucky and Georgia and New York and Arkansas.
Area Codes Serving Monticello
Frequently Asked Questions
What area code is Monticello?
Monticello is served by area codes 319, 574, 606, 762, 845, 870.
Why does Monticello 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). Monticello now has 6 area codes — 319 and 574 and 606 and 762 and 845 and 870 — covering the same or overlapping areas.
How do I call Monticello from outside the US?
To call Monticello from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-319-XXX-XXXX). The +1 is the country code for all NANPA countries.