NPA-NXX - 657-243

This is the 657-243 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!

The 657-243 subcode mainly covers Fullerton in Orange 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 Level 3. 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 3010232 comments across our systems for the 657-243 subcode.

Looking for a different number? Follow a link below to see our recently active.

267-500-3396 858-202-3335 980-683-5595 214-730-9171 817-514-2541
352-540-1110 917-809-5558 773-698-7832 314-394-8968 267-476-9197