443-445 phone numbers

Numbers 443-445-0000 to 443-445-9999 are assigned to Verizon Maryland, Inc. in Elkridge, MD. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 443-445-4xxx, 443-445-5xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 443-445