410-673 phone numbers

Numbers 410-673-0000 to 410-673-9999 are assigned to Verizon Maryland, Inc. in Preston, MD. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 410-673-5xxx — calls from these use spoofed caller IDs.

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 410-673