Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 850 [Rate centres in NPA 850] [Dial plan for NPA 850]

NXX: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-331 A Crestview FL PNSCFLWAXSX  829J PAETEC ITEL, LLC 44814   2024-12-17   
850-331 0 Crestview FL CRVWFLXA9MD  937C ONVOY, LLC - FL 44814   2016-08-26   
850-331 1 Crestview FL CRVWFLXA9MD  937C ONVOY, LLC - FL 44814   2017-11-21   
850-331 2 Crestview FL PNSCFLWAXAY  318J COMCAST IP PHONE, LLC 44814   2016-08-16   
850-331 3 Crestview FL PNSCFLWAXAY  318J COMCAST IP PHONE, LLC 44814   2017-10-08   
850-331 4 Crestview FL PNSCFLWAXAY  318J COMCAST IP PHONE, LLC 44814   2011-09-05   
850-331 5 Crestview FL PNSCFLWAXSX  829J PAETEC ITEL, LLC 44814   2011-10-15   
850-331 6 Crestview FL CRVWFLXA9MD  937C ONVOY, LLC - FL 44814   2018-05-05   
850-331 7 Crestview FL CRVWFLXA9MD  937C ONVOY, LLC - FL 44814   2018-05-05   
850-331 8 Crestview FL CRVWFLXABMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 44814   2018-10-30   
850-331 9 Crestview FL CRVWFLXA9MD  937C ONVOY, LLC - FL 44814   2020-12-02   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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