Regional statistics: Shreveport, Louisiana has a population of 196980 that is in a county of 97974 units. The city is in a county that is 882 square miles. 318-635 is available through the regional telephone switch # SHPTLAQBCG0 in the Shreveport area.
When I returned from lunch, I had a voicemail that was marked "Urgent" from this number. The voice in the voicemail sounded authoritative asking for me to call back immediately. I called and it just rang and rang. I hung up.