NPA-NXX - 343-540

This is the 343-540 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. 343
3. 343-540

The 343-540 subcode mainly covers Ottawa-hull in Ottawa county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Ontario state. Many of the numbers in this subcode are Cellular (Dedicated) registered to Bell Mobility. We hear they employ a large number of people in the Ontario office.
Recently there have been an increase in reported calls, we've had over 883391 comments across our systems for the 343-540 subcode.