NPA-NXX - 419-678

This is the 419-678 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. 419
3. 419-678

The 419-678 subcode mainly covers Coldwater in Mercer county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Ohio state. Many of the numbers in this subcode are Regular Landline registered to Frontier. We hear they employ a large number of people in the Ohio office.
Recently there have been an increase in reported calls, we've had over 40814 comments across our systems for the 419-678 subcode.