NPA-NXX - 415-428

This is the 415-428 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. 415
3. 415-428

The 415-428 subcode mainly covers San Francisco in San Francisco 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 805235 comments across our systems for the 415-428 subcode.