Location: California, Carlsbad, San Diego County
Approximate number of phones: 875
Carrier: Sprint Spectrum L.p.
Mr. Number records show that there are at least 3,962 active phone numbers with the prefix 858663 out of a possible 10,000. Numbers in this exchange are mainly mobile phones. Phone numbers beginning with 858-663 are allocated to California, in particular Del Mar, Poway and La Mesa in San Diego County. Public records tell us that 50.19% (1,988) of subscribers are men and 49.81% (1,973) are women. Median household income in this part of the country is $63,857 and 54.38% of housing units are owner-occupied.