Prefix 410-400 — Baltimore, MD
A phone number starting 410-400 was issued in the Baltimore rate center of MD — part of area code 410.
NANPA's central-office code records list PAETEC ITEL, LLC (OCN 829J) as the code holder, assigned June 15, 2006. Because 410-400 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
A scammer can display 410-400 without ever touching MD. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.
Baltimore is part of the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area. For routing purposes it sits in LATA 238. Numbers here keep Eastern time.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 410-397 | Wingate | VERIZON MARYLAND, INC. |
| 410-398 | Elkton | VERIZON MARYLAND, INC. |
| 410-399 | Bel Air | VERIZON MARYLAND, INC. |
| 410-401 | Brooklyn Park Linthicum | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
| 410-402 | Catonsville | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
| 410-403 | Cockeysville | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
FAQ
Where is 410-400 located?
The prefix is assigned to the Baltimore rate center in MD, area code 410. It is part of the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area.
Which company owns 410-400 numbers?
PAETEC ITEL, LLC holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.
Is a call from 410-400 safe to answer?
The prefix itself says nothing about the caller. Legitimate Baltimore businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.