971-423 phone numbers

Numbers 971-423-0000 to 971-423-9999 are assigned to Twilio International, Inc. in Yamhill, OR. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 971-423-1xxx, 971-423-4xxx, 971-423-5xxx, 971-423-6xxx, 971-423-7xxx, 971-423-8xxx, 971-423-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 971-423