Upper Marlboro, Maryland Phone Lookup
Find the owner of any phone number in Upper Marlboro, Maryland.
What Phone Numbers Are in Upper Marlboro, Maryland?
Looking up a phone number in Upper Marlboro, Maryland? Enter any 10-digit phone number in the search box above to find the owner's name, address, and carrier information. Upper Marlboro is served by 2 area codes and has 15 active phone prefixes.
Area Codes Serving Upper Marlboro
Phone numbers in Upper Marlboro, Maryland use the following area codes: 240, 301.
Top Phone Carriers in Upper Marlboro
The most common phone service providers in Upper Marlboro include:
- Onvoy, Llc - Md
- Verizon Maryland, Inc.
- Level 3 Communications, Llc - Md
- Paetec Itel, Llc
- Metropcs, Inc.
Data current as of March 2026
Nearby Cities in Maryland
Other cities in Maryland that share area codes with Upper Marlboro:
- ALLENTOWN
- Annapolis
- BADEN
- Bel Air
- Beltsville
- Bethesda
- BITTINGER
- Bowie
- BRADDOCK HEIGHTS
- Brunswick
- BUCKEYSTOWN
Upper Marlboro at a Glance
Demographics
- White 21.1%
- Black 70.7%
- Hispanic 3.4%
- Asian 0%
- Other 4.8%
Frequently Asked Questions
What Area Codes Serve Upper Marlboro, Maryland?
Phone numbers in Upper Marlboro, Maryland use 2 area codes: 240, 301. These area codes are shared with other cities in the region. Upper Marlboro has 15 active phone prefixes assigned to local carriers. If you received a call from one of these area codes, enter the full 10-digit number into the search box above to find out who called. The area code alone tells you the general geographic region, but a full reverse phone lookup on 411FCC reveals the specific owner, carrier, and line type associated with the number.
How Do I Look Up a Phone Number in Upper Marlboro, Maryland?
To look up any phone number in Upper Marlboro, enter the full 10-digit number into the search box at the top of this page and click Search. 411FCC returns available information about the number including the registered owner's name, location, phone carrier, and whether it is a wireless cell phone, landline, or VoIP line. The lookup covers all 2 area codes serving Upper Marlboro and works for numbers from every carrier in the area. Results appear within seconds. 411FCC has maintained its phone number database since 2003.
What Types of Phone Numbers Are in Upper Marlboro?
Upper Marlboro, Maryland has both wireless and landline phone numbers. Approximately 10% of phone prefixes in the area are classified as wireless (cell phone), with the remaining 90% being landline or VoIP. Major carriers serving the area include Onvoy, Llc - Md, Verizon Maryland, Inc., Level 3 Communications, Llc - Md. When you search a phone number on 411FCC, the results identify the line type and carrier, which helps distinguish personal cell phones from business landlines and identify VoIP numbers commonly used by automated calling systems.