Location: Colorado, Allenspark, Boulder County
Approximate number of phones: 923
Carrier: Qwest Corporation
Mr. Number records show that there are at least 823 active phone numbers with the prefix 303747 out of a possible 10,000. Numbers in this exchange are mainly landline phones. Phone numbers beginning with 303-747 are allocated to Colorado, in particular Allenspark and Lyons in Boulder County. Public records tell us that 50.21% (413) of subscribers are men and 49.79% (409) are women. Median household income in this part of the country is $66,479 and 62.86% of housing units are owner-occupied.