Area Code Lookup
What Area Code Is Glen Burnie?
2 area codes serve Glen Burnie · Maryland
Glen Burnie is served by area codes 410, 443. It is located in Maryland.
Area Codes Serving Glen Burnie
Frequently Asked Questions
What area code is Glen Burnie?
Glen Burnie is served by area codes 410, 443. It is located in Maryland.
Why does Glen Burnie 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). Glen Burnie now has 2 area codes — 410 and 443 — covering the same or overlapping areas.
How do I call Glen Burnie from outside the US?
To call Glen Burnie from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-410-XXX-XXXX). The +1 is the country code for all NANPA countries.