443-358 phone numbers

Numbers 443-358-0000 to 443-358-9999 are assigned to Ymax Communications Corp. in Salisbury, MD. 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 443-358-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 443-358