Prefix 410-319 — Baltimore, MD

NANPA CO code assignment, current as of July 28, 2026.

Area code
410
Prefix (NXX)
319
Rate center
Baltimore
State
Maryland
Time zone
Eastern
Code holder
VERIZON MARYLAND, INC.
OCN
9212
Pooled
Yes (thousands-block pooling)
LATA
238

Numbers in the 410-319 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 (410-319-XXXX) and pins the number to a billing locality.

The assigned code holder is VERIZON MARYLAND, INC., operating company number 9212. 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

Prefixes adjacent to 410-319
PrefixRate centerCode holder
410-316 Cockeysville VERIZON MARYLAND, INC.
410-317 Armiger-gibson Island MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD
410-318 Baltimore VERIZON MARYLAND, INC.
410-320 Annapolis OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
410-321 Towson VERIZON MARYLAND, INC.
410-322 Bel Air NEW CINGULAR WIRELESS PCS, LLC - DC

FAQ

Where is 410-319 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 410-319 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 410-319 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.