925-475 phone numbers

Numbers 925-475-0000 to 925-475-9999 are assigned to Matrix Telecom, LLC. S/I/I Tnci in Pleasanton, CA. 9 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 925-475-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 925-475