Prefix 410-929 — Baltimore, MD

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

Area code
410
Prefix (NXX)
929
Rate center
Baltimore
State
Maryland
Time zone
Eastern
Code holder
BANDWIDTH.COM CLEC, LLC - MD
OCN
071F
Pooled
Yes (thousands-block pooling)
Assigned
2008-05-13
LATA
238

A phone number starting 410-929 was issued in the Baltimore rate center of MD — part of area code 410.

Code-holder of record: BANDWIDTH.COM CLEC, LLC - MD (OCN 071F), assigned May 13, 2008. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 410-929 numbers may be served by different companies.

A scammer can display 410-929 without ever touching MD. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.

Baltimore is part of the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area. For routing purposes it sits in LATA 238. Numbers here keep Eastern time.

Neighboring prefixes

Prefixes adjacent to 410-929
PrefixRate centerCode holder
410-926 Catonsville NEW CINGULAR WIRELESS PCS, LLC - DC
410-927 Odenton LEVEL 3 TELECOM OF MARYLAND, LLC - MD
410-928 Millington VERIZON MARYLAND, INC.
410-930 Waterloo 236 REDI-CALL COMMUNICATIONS CO.
410-931 Parkville VERIZON MARYLAND, INC.
410-932 Elkridge SPOK, INC.

FAQ

Where is 410-929 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 410-929 numbers?

BANDWIDTH.COM CLEC, LLC - MD 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 410-929 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.