240 Area Code — Western Maryland, Maryland
About the 240 Area Code
Area code 240 covers Western Maryland, Maryland, a metropolitan market with a diverse mix of mobile, landline, and VoIP subscribers across residential and commercial accounts. Primary carriers include AT&T Mobility, Verizon Wireless, and T-Mobile USA. The area encompasses Frederick, Gaithersburg, and Rockville and operates in the Eastern time zone, supporting a broad range of modern telecommunications services.
Key Information
- Region: Western Maryland
- State / Province: Maryland
- Timezone: Eastern
- Major Cities: Frederick, Gaithersburg, Rockville
Carriers & Network Type for 240 Numbers
Network mix: Mixed — 240 numbers include mobile, landline, and VoIP lines.
Common Scam Patterns
FCC complaint data for 240 numbers includes:
- Robocall/Auto-dialer
- Extended warranty scam
- Health insurance offer
- IRS/Government impersonation
If You Got a Text from 240
Who Typically Calls from the 240 Area Code?
Area code 240 covers Western Maryland, Maryland, a metropolitan market with a diverse mix of mobile, landline, and VoIP subscribers across residential and commercial accounts. Primary carriers include AT&T Mobility, Verizon Wireless, and T-Mobile USA. The area encompasses Frederick, Gaithersburg, and Rockville and operates in the Eastern time zone, supporting a broad range of modern telecommunications services. Calls from 240 numbers originate in Western Maryland, Maryland. Residents, local businesses, schools, medical offices, and government agencies in this region all use 240 numbers. If you received an unexpected call or text from a 240 number, it may be a neighbor, a local service provider, or — in some cases — an unwanted solicitor.
Because 240 is a legitimate, widely used area code, scammers sometimes spoof it to make their calls appear local and trustworthy. This technique — called neighbor spoofing — makes it more likely that recipients will answer. A reverse phone lookup is the fastest way to find out whether a 240 number is genuinely local or spoofed.
Is a 240 Phone Number Spam?
Not all 240 calls are spam, but the area code is not immune to robocall campaigns and phone scams. Common complaints about 240 numbers include warranty extension scams, debt collection harassment, IRS impersonation calls, and unsolicited insurance offers.
If a 240 number called you and didn't leave a voicemail, that's a red flag — legitimate callers typically leave a message. Use Who Sent That Text Message to look up the number instantly and see whether other users have flagged it as spam.
You can also report a suspicious 240 number directly from our lookup results, helping protect others in the community from the same caller.
Look Up a 240 Number Now
Enter any 240 area code phone number below and get instant results — carrier, line type, caller name (where available), and spam reports submitted by real users.
Other Area Codes in Maryland
Maryland has multiple area codes serving different regions. If the number you received isn't from 240, check one of the other Maryland area codes below.