Prefix 410-410 — Baltimore, MD
410-410 identifies a block of numbers in Baltimore, MD, within the 410 area code. Every US prefix is tied to exactly one rate center; this one is Baltimore.
The rate center lies in the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area. The serving LATA is 238. Local time follows the Eastern zone.
Treat the on-screen number as a hint, not evidence — 410-410 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.
The assigned code holder is ONVOY SPECTRUM, LLC, operating company number 624H, assigned May 17, 2023. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 410-407 | Elkridge | VERIZON MARYLAND, INC. |
| 410-408 | Towson | SPOK, INC. |
| 410-409 | Baltimore | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
| 410-412 | Glen Burnie | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
| 410-413 | Pikesville | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
| 410-414 | Prince Frederick | VERIZON MARYLAND, INC. |
FAQ
Where is 410-410 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 410-410 numbers?
ONVOY SPECTRUM, 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 410-410 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.