925-673 phone numbers

Numbers 925-673-0000 to 925-673-9999 are assigned to Pacific Bell in Clayton, CA. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 925-673-6xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 925-673