Everything you need to know about area code 443 in Maryland
QUICK FACTS
Maryland
Eastern Time Zone
Overlay code
Estimated residents served
Maryland
Shares territory with existing code
ABOUT THIS AREA CODE
Area code 443 is an overlay for the 410 area code, serving Baltimore, Annapolis, and eastern Maryland. It was introduced in 1997 to handle the increasing demand for phone numbers in the region.
Phone numbers with the 443 area code follow the format (443) XXX-XXXX, where the next three digits represent the local exchange. The 443 area code is part of the North American Numbering Plan (NANP) and is regulated by the Federal Communications Commission (FCC).
If you receive a call from a 443 number that you don't recognize, you can search it using the lookup tool above. While the 443 area code legitimately serves millions of residents and businesses in the Baltimore area, scammers sometimes spoof local area codes to make their calls appear more trustworthy. Always verify unfamiliar numbers before returning calls or sharing personal information.
The Baltimore region served by area code 443 is one of the most significant areas in Maryland. As an overlay code, 443 shares its geographic territory with other area codes in the region, meaning all local calls require 10-digit dialing.
For detailed information about any phone number in the 443 area code, including owner identification, carrier data, and spam reports, use our search tool above or visit one of our trusted lookup providers.
CITIES & COMMUNITIES
SPAM & SCAM ALERTS
These are frequently reported scam patterns from phone numbers using the 443 area code. Scammers often spoof area codes, so a call appearing to come from 443 may originate elsewhere.
Callers impersonate a grandchild in trouble, claiming to need bail money or emergency funds wired immediately.
Automated messages claim a package could not be delivered and direct you to a phishing website to reschedule delivery.
Callers offer fake student loan forgiveness programs, collecting personal and financial information under the pretense of reducing your debt.
Stay Safe: Never share personal information with incoming callers. If suspicious, hang up and search the number above.
FREQUENTLY ASKED QUESTIONS
Area code 443 serves Baltimore, Maryland. Area code 443 is an overlay for the 410 area code, serving Baltimore, Annapolis, and eastern Maryland. It was introduced in 1997 to handle the increasing demand for phone numbers in the region.
Area code 443 is in the Eastern timezone. Calls from 443 numbers originate from the Baltimore region.
Not necessarily. Area code 443 serves many people in Baltimore. However, scammers can spoof any area code. If you receive a suspicious call from a 443 number, search it above before calling back.
Area code 443 was created in 1997. It is an overlay code sharing territory with an existing area code.
WHO CALLED ME
If you received an unknown call from a 443 number, use our dedicated lookup page to identify the caller and check for scam reports.
Who Called Me From 443? →PHONE SAFETY GUIDES
Identity Theft From Phone Scams → Is This A Scam Call → Ftc Phone Scam Enforcement →