Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 850 [Rate centres in NPA 850] [Dial plan for NPA 850]

NXX: 744

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-744 A Paxton FL PNSCFLFN0MD  8664 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL 44814      
850-744 0 Paxton FL PNSCFLFN0MD  8664 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL 44814      
850-744 1 Paxton FL CRVWFLXA9MD  937C ONVOY, LLC - FL 44814   2024-07-01   
850-744 4 Paxton FL FTWBFLXAXLX  965H FRACTEL, LLC 44814   2020-08-09   
850-744 6 Paxton FL   8300 TELEPORT COMMUNICATIONS AMERICA, LLC - FL 44814   2025-06-02   
850-744 7 Paxton FL   145J TERRA NOVA TELECOM INC. 44814   2025-06-11   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.