Who Called from (443) 421-XXXX?
Search (443) 421-XXXX Numbers
- 1Enter any 10-digit phone number.
- 2Click search and keep your lookup secure and confidential.
- 3Instantly uncover caller identity, location, social profiles, and more.
Run a reverse phone lookup on any US number with ClarityCheck. Enter a full 10-digit number to instantly search billions of public records and uncover the caller's identity, location, and more — whether it's an unknown caller, missed call, or suspicious text.
ClarityCheck works across all line types — landline, cell, and VoIP — and every major US carrier. Search by phone, email, image, or VIN to cross-reference identities and identify spam callers, scammers, or anyone who texted you. Start with our trial package to access high-quality reports including owner details, address history, and social platforms information.
Phone Numbers: (443) 421-XXXX
Recently Searched Numbers in the 443 Area Code
About the (443) 421 Prefix
The (443) 421 prefix serves Baltimore, Maryland, United States. Phone numbers in this exchange follow the format (443) 421-XXXX. The primary carrier assigned to this prefix is NEW CINGULAR WRLS DC.
(443) 421 Geographic Info
- Primary City
- Baltimore
- State
- Maryland, United States
- Primary Carrier
- NEW CINGULAR WRLS DC
Other Prefixes in the 443 Area Code
If you've ever stared at an unknown number and wondered whether to pick up, this is for you:
On iPhone, when you send an iMessage to someone who has not blocked you, "Delivered" appears beneath the message. If you are blocked, the message never shows "Delivered" — it simply sits with no status, even after hours or days.
Read more: How to Tell If Someone Blocked Your Number →Frequently Asked Questions
What area code is (443) 421?
(443) 421 is a telephone prefix in the 443 area code, which serves Baltimore, Maryland, United States.
Where is the (443) 421 prefix located?
Phone numbers with the (443) 421 prefix are located in Baltimore, Maryland, United States. The primary carrier for this prefix is NEW CINGULAR WRLS DC.
What carrier uses the (443) 421 prefix?
The primary carrier assigned to the (443) 421 prefix is NEW CINGULAR WRLS DC. However, numbers may be ported to other carriers over time.
How do I look up a phone number with the (443) 421 prefix?
Enter the full 10-digit number (e.g. (443) 421-XXXX) into ClarityCheck's reverse phone lookup to instantly see the owner's name, address, social profiles, and more.