Area Code Lookup
What Area Code Is Lawrenceville?
3 area codes serve Lawrenceville
Lawrenceville is served by area codes 434, 609, 640. It spans Virginia and New Jersey.
Area Codes Serving Lawrenceville
Frequently Asked Questions
What area code is Lawrenceville?
Lawrenceville is served by area codes 434, 609, 640.
Why does Lawrenceville 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). Lawrenceville now has 3 area codes — 434 and 609 and 640 — covering the same or overlapping areas.
How do I call Lawrenceville from outside the US?
To call Lawrenceville from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-434-XXX-XXXX). The +1 is the country code for all NANPA countries.