I have a PO in Exton PA, Liionsville Post Office that doesn't show up in USPS.com, but was in the USGS database. I called the PO and they informed me that they were contractor run. Do I leave them in the database?

I have a PO in Exton PA, Liionsville Post Office that doesn't show up in USPS.com, but was in the USGS database. I called the PO and they informed me that they were contractor run. Do I leave them in the database?