Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 251 [Rate centres in NPA 251] [Dial plan for NPA 251]

NXX: 620

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-620 A Mobile AL MOBLAL41DS0  9826 HARBOR COMMUNICATIONS, LLC - AL 480      
251-620 0 Mobile AL MOBLAL41DS0  9826 HARBOR COMMUNICATIONS, LLC - AL 480   2018-03-17   
251-620 1 Mobile AL MOBLAL41DS0  9826 HARBOR COMMUNICATIONS, LLC - AL 480   2018-03-17   
251-620 2 Mobile AL MOBLAL41DS0  9826 HARBOR COMMUNICATIONS, LLC - AL 480   2018-03-17   
251-620 3 Mobile AL MOBLALAZ4MD  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 480   2020-11-03   
251-620 4 Mobile AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480   2020-12-08   
251-620 5 Mobile AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480   2020-12-08   
251-620 6 Mobile AL MOBLALAZ17Z  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480   2018-06-18   
251-620 7 Mobile AL MOBLALAZ17Z  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480   2018-06-18   
251-620 8 Mobile AL MOBLALAZ17Z  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480   2018-07-30   
251-620 9 Mobile AL MOBLALAZ17Z  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480   2018-08-27   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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