Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 256 [Rate centres in NPA 256] [Dial plan for NPA 256]

NXX: 850

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-850 A Madison AL   829J PAETEC ITEL, LLC 477      
256-850 0 Madison AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-850 1 Madison AL HNVIALUNX6X  604E ONVOY, LLC - AL 477      
256-850 2 Madison AL HNVIALUNX6X  604E ONVOY, LLC - AL 477      
256-850 3 Madison AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-850 4 Madison AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-850 5 Madison AL HNVIALUNXHX  8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 477      
256-850 6 Madison AL HNVIAL180MD  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 477      
256-850 7 Madison AL HNVIAL180MD  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 477      
256-850 8 Madison AL HNVIALUNXHX  8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 477      
256-850 9 Madison AL   829J PAETEC ITEL, LLC 477      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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