Prefix 410-478 — Baltimore, MD
Numbers in the 410-478 prefix are registered to the Baltimore rate center in MD, inside area code 410. The prefix is the second block of a ten-digit US number (410-478-XXXX) and pins the number to a billing locality.
NANPA's central-office code records list NEW CINGULAR WIRELESS PCS, LLC - DC (OCN 4036) as the code holder, assigned July 19, 2023. Because 410-478 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 Baltimore caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 410-475 | Towson | SPOK, INC. |
| 410-476 | Trappe | VERIZON MARYLAND, INC. |
| 410-477 | Sparrows Point | VERIZON MARYLAND, INC. |
| 410-479 | Denton | VERIZON MARYLAND, INC. |
| 410-480 | Ellicott City | VERIZON MARYLAND, INC. |
| 410-482 | Greensboro | VERIZON MARYLAND, INC. |
FAQ
Where is 410-478 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 410-478 numbers?
NEW CINGULAR WIRELESS PCS, LLC - DC 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 410-478 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.