Prefix 410-900 — Baltimore, MD
Numbers in the 410-900 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 (410-900-XXXX) and pins the number to a billing locality.
The assigned code holder is PAETEC ITEL, LLC, operating company number 829J, assigned October 4, 2004. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
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 |
|---|---|---|
| 410-897 | Annapolis | VERIZON MARYLAND, INC. |
| 410-898 | Waterloo 236 | VERIZON MARYLAND, INC. |
| 410-899 | Towson | SPOK, INC. |
| 410-901 | Cambridge | VERIZON MARYLAND, INC. |
| 410-902 | Pikesville | VERIZON MARYLAND, INC. |
| 410-903 | Severna Park | METROPCS, INC. |
FAQ
Where is 410-900 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 410-900 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 410-900 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.