NPA-NXX - 858-234

This is the 858-234 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!

1. Area Codes
2. 858
3. 858-234

The 858-234 subcode mainly covers Rancho Bernardo in San Diego county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of California state. Many of the numbers in this subcode are Regular Landline registered to North County Communications. We hear they employ a large number of people in the California office.
Recently there have been an increase in reported calls, we've had over 3095313 comments across our systems for the 858-234 subcode.