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← Area code 310

310-504 phone numbers

Numbers 310-504-0000 to 310-504-9999 are assigned to Peerless Network of California, LLC (rate centre REDONDO, CA, NANPA abbreviation). 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

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

Reported numbers in 310-504