925-438 phone numbers

Numbers 925-438-0000 to 925-438-9999 are assigned to Tpx Communications in Orinda, CA. 7 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 925-438-3xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 925-438