Can not get inbound phone calls. When ever someone tries to call me. They get your call not be completed at this time. Even though I can make outgoing calls.

So I got to go and get a new modem again? I just got a new one back in Jan of 2019. So no one can call me right now till I do. But I can call others.

The phone modem could be a different one than the Internet Modem.  In my house, I have a separate modem inside the box that all the COX wires come to before they are sent out thru the house and to the phone jacks.  There also are coaxial cables sent out to some of the rooms to which I connect my TV/DVR or one to my internet/wireless modem.  I'm not sure how your modem connects to your phone, unless it is wireless or you are using strictly cell phone connections.   If you are having problem using a landline, and you do not see a phone jack connection from the modem u had in 2019, maybe there is another phone only modem stuck in the closet that is bad or needs re-boot by pulling power cord.  Just wondering.....

I think I figured it out. For some stramge reason they now have to add the area code to my number even if they are in the same area code as me.

No.  If you upgraded in 2019, you're good to go.

@Horserider1st Are you saying that until recently, you've been able to make phone calls to numbers within your own area code with just a 7-digit number?  

I don't think anything changed for Horse.  I think the technology had changed for whomever was calling Horse.  Their provider now requires 10-digit dialing.

i remember only having to dial 4 digits on a rotary phone.  My Great Grandparents still had a Party Line in the mid-80's.  Now look how far we've fallen.

When my parents first got a telephone, I called my grandparents by picking up the receiver and when the nice lady said "Number please", I told her 42.

Wow....you've beaten me.  Remember how tough those phones were?  I once knocked out my brother with the handset.  The only thing to survive nuclear war would be cockroaches, Twinkies and rotary phones.

Rotary phone?  That must be something those uppity city folk had.  My parents first phone didn't have anything.  You had to wait for the operator.  And, initially we were on an 8-party line.  I think calls to us were 4 rings.  A short while later, we were upgraded to a 4-pary line.  Big time!  To call someone on your own party line, you had to tell the operator  8108 + 2 more numbers that I think were your 1 digit sequence number and the person you were callings' 1 digit seqence number.  Then you would hang up and your phone would ring for however many rings their number was.  When the phone quit ringing, it means they had answered.  You then picked up the receiver and had your conversation.  Whew! I don't know how I remember all that.  It's been a while.

Did your parents have to first crank the phone?

I remember those odd rings and dialing sequences.  I was 5 years old when my Greats would count incoming rings.  When they dialed their neighbors, I thought they had forgotten what they wanted to discuss and just hung up the phone.

Yeah...we were uppity with our own phone number.

Ehuffy23....check my comments above about the Voice Tools/Call History on your PC or apps on cell and IPAD...the latter 2 platforms have had issues about the CallerID....discussed in the forum.  Maybe you will see the incoming calls going to Voice Mail.  Maybe you will not see anything, meaning the call is blocked at an earlier stage.