They are very persistent, this has probably gone on for over a year.
Results Around Bangor, Maine
Regional statistics: Bangor, Maine has a population of 31534 that is in a county of 58096 units. The city is in a county that is 3396 square miles. 207-356 is available through the regional telephone switch # MNCHMEASCM0 in the Bangor area.
Other cities around Bangor include:
Newport, Thomaston, Rumford, Portland
We are able to provide you with information on 207-356 exchange (handled by UNITED STATES CELLULAR CORP. -) in Bangor, Maine and most of the U.S (in addition to certain Canadian cities)