562-343 phone numbers

Numbers 562-343-0000 to 562-343-9999 are assigned to Mcimetro Access Transmission Services LLC (rate centre ALAMITOS, CA, NANPA abbreviation). 9 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 562-343