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: 770 [Rate centres in NPA 770] [Dial plan for NPA 770]

NXX: 557

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
770-557 A Atlanta Northeast GA ATLNGAEPXOY  318J COMCAST IP PHONE, LLC 438      
770-557 0 Atlanta Northeast GA ATLNGAEPXOY  318J COMCAST IP PHONE, LLC 438      
770-557 1 Atlanta Northeast GA ATLNGAEPXOY  318J COMCAST IP PHONE, LLC 438      
770-557 2 Atlanta Northeast GA ATLNGAQSX5X  6540 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA 438      
770-557 3 Atlanta Northeast GA NRCRGAISDS0  8392 TELEPORT COMMUNICATIONS AMERICA, LLC - GA 438      
770-557 4 Atlanta Northeast GA ATLNGAQSX5X  6540 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA 438      
770-557 5 Atlanta Northeast GA ATLNGAQSX5X  6540 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA 438      
770-557 6 Atlanta Northeast GA NRCSGAJTG05  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 438      
770-557 7 Atlanta Northeast GA NRCSGAJTG05  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 438      
770-557 8 Atlanta Northeast GA NRCSGAJTG05  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 438      
770-557 9 Atlanta Northeast GA ATLNGAEPXCY  7473 POWERTEL ATLANTA LICENSES, INC. 438      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.