Discovering the truth about a phone number, email, or address history can be eye-opening, please use this tool with caution.USA Area code 410 - Baltimore, MD
Area code 410 is a North American Numbering Plan telephone area code serving Telephone area codes for east Maryland in Maryland. It was activated in 1991 and today covers roughly 569,997 residents across 1 cities and towns .
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Who called me from area code 410?
A call from area code 410 most likely originates from Baltimore or elsewhere in Maryland - but caller ID spoofing means the area code alone cannot confirm who called. Right now, 25 410 numbers carry scam reports on this page. The only reliable way to identify the caller is to check the full 10-digit number:
- Run the number through the reverse phone lookup at the top of this page to see the owner's name, carrier, and location.
- Compare it against the recently reported scam numbers in 410 below.
- If the call was unwanted, report it to the FTC and use the report form on this page so other 410 residents see it.
Report a scam call from 410 Help other 410-area residents - takes 20 seconds, no signup
Reports are reviewed by our team before appearing on the page. The highest-reported numbers get added to the “Recently reported scam numbers” list above with a “community” badge.
Should I answer a call from a 410 number? Take the 30-second quiz - 5 questions, verdict + advice
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Next step: run a reverse-phone lookup on the number to see everything public about it.
Where is the 410 area code? Coverage map
The pin marks Baltimore, the largest city served by area code 410. Zoom and pan to explore the coverage region.
Interactive map. Click a pin for city details. Data © OpenStreetMap contributors.
Area codes near 410 (overlay + neighboring)
If a caller ID shows one of these codes, the call is probably still from the Baltimore area or a nearby region. Click any code to see its own page.
410 area code robocall complaints (FCC data)
Monthly count of FCC complaints tagged to numbers in area code 410 over the last 12 months.
135 complaints in the last 12 months. That's about 61% more robocall complaints per capita than the US average - 24 per 100,000 residents vs a national average of 14.7.
Source: FCC Consumer Complaint Data (dataset vakf-fz8e). Data as of August 9, 2026. Refreshed monthly.
How 410 area code spam calls arrive
Based on 135 FCC complaints in the last 12 months, here's how 410 spam calls reached recipients:
FCC Consumer Complaint Data, last 12 months as of August 9, 2026. Refreshed monthly. Note: the FCC dataset labels method (Live Voice / Prerecorded / SMS) but does not classify scam type (IRS impersonation, tech support fraud, etc.) - those come from community reports.
Recently reported scam numbers in 410
Numbers reported to the FCC or by our community in the last 12 months. Click any to run a full reverse-phone lookup.
Source: FCC Consumer Complaint Data, last 12 months as of August 9, 2026. Refreshed monthly. Numbers submitted via the report form near the top of this page get added here with a “community” badge after moderation.
How to block 410 spam calls (by carrier)
Getting repeated spam calls from 410 numbers around Baltimore, Maryland? You can't legitimately block every 410 call without also missing legitimate ones from Baltimore, Maryland - so the practical fix is to turn on your carrier's free spam filter and register on the national do-not-call list. Step-by-step for each major US carrier below.
AT&T
- Download the free AT&T ActiveArmor app (iOS + Android).
- Sign in with your wireless number.
- Enable Fraud Blocking and Suspected Spam Warning.
- To block a specific number, tap the call in your history → Block.
Verizon
- Download the free Verizon Call Filter app (iOS + Android).
- Sign in with your Verizon account.
- Turn on Spam Filter.
- To block a specific number: My Verizon → Blocks → Add Number.
T-Mobile
- Download the free Scam Shield app (iOS + Android).
- Enable Scam Block (blocks known scam calls silently).
- Use Scam ID to see “Scam Likely” caller ID on suspicious numbers.
- To block a specific number, dial
#662#from your device.
All carriers
- Register on the FTC's National Do-Not-Call list.
- Report unwanted calls to the FCC at fcc.gov/complaints.
- On iPhone: Settings → Phone → Silence Unknown Callers.
- On Android: Phone app → ⋮ → Settings → Caller ID & spam.
Sources: carrier support pages (AT&T, Verizon, T-Mobile), FCC consumer guides. Free features as of 2026. Every one of these steps costs nothing.
History of the 410 area code
state of Maryland. The numbering plan area (NPA) was created with area code 410 in an area code split of area code 301 in 1991, and includes the Baltimore metropolitan area and the Eastern Shore. The three area codes are overlay codes for the numbering plan area, with 443 and 667 added in 1997 and 2012, respectively.
410 area code FAQ: common questions
What area code is 410?
Area code 410 is a North American Numbering Plan area code that serves Telephone area codes for east Maryland in Maryland, primarily including Baltimore and surrounding communities. It was activated in 1991.
Where does area code 410 cover?
Area code 410 covers the Baltimore, Maryland area.
Is 410 a real area code or a scam?
410 is a real, actively-assigned US area code - not itself a scam. However, spammers do use 410 numbers because the code is well-known and appears local to millions of residents. Always verify the specific number, not the area code.
How do I block 410 spam calls?
You cannot legitimately block an entire area code without also blocking legitimate calls from Baltimore. Better options: register on the National Do-Not-Call list, enable your carrier's spam-filter (all major US carriers now offer this free), and report unwanted calls to the FCC at fcc.gov/complaints so they show up in the trend data on this page.
Sources
Or explore reverse-phone lookup for any US number.