If you have a Static IP address from Verizon, and have recieved confirmation that you Static IP address has been applied.
You will need to configure or change the APN in your Mobile settings.
Verizion uses the following APN's per region.
1. ne01.vzwstatic (North East)
2. nw01.vzwstatic (North West)
3. so01.vzwstatic (south)
4. mw01.vzwstatic (Midwest)
5. we01.vzwstatic (West)