← Area code 501
501-587 phone numbers
Numbers 501-587-0000 to 501-587-9999 are assigned to E. Ritter Communications, LLC in Little Rock, AR. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 501-587-2xxx, 501-587-3xxx, 501-587-4xxx, 501-587-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.