Prefix 410-399 — Bel Air, MD
Numbers in the 410-399 prefix are registered to the Bel Air rate center in MD, inside area code 410. The prefix is the second block of a ten-digit US number (410-399-XXXX) and pins the number to a billing locality.
NANPA's central-office code records list VERIZON MARYLAND, INC. (OCN 9212) as the code holder. Because 410-399 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
The rate center lies in the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area. The serving LATA is 238. Local time follows the Eastern zone.
Spoofing means this prefix on your screen doesn't guarantee a Bel Air caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 410-396 | Baltimore | VERIZON MARYLAND, INC. |
| 410-397 | Wingate | VERIZON MARYLAND, INC. |
| 410-398 | Elkton | VERIZON MARYLAND, INC. |
| 410-400 | Baltimore | PAETEC ITEL, LLC |
| 410-401 | Brooklyn Park Linthicum | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
| 410-402 | Catonsville | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
FAQ
Where is 410-399 located?
The prefix is assigned to the Bel Air rate center in MD, area code 410. It is part of the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area.
Which company owns 410-399 numbers?
VERIZON MARYLAND, INC. 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 410-399 safe to answer?
The prefix itself says nothing about the caller. Legitimate Bel Air businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.