636-201 phone numbers

Numbers 636-201-0000 to 636-201-9999 are assigned to New Cingular Wireless PCS, LLC in Warrenton, MO. 7 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 636-201-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 636-201