Local Calling Guide

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NPA: 678 [Rate centres in NPA 678] [Dial plan for NPA 678]

NXX: 550

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
678-550 A Atlanta Northwest GA ATLNGAHPOMD  7490 LEVEL 3 TELECOM OF GEORGIA, LP - GA 438      
678-550 0 Atlanta Northwest GA   7490 LEVEL 3 TELECOM OF GEORGIA, LP - GA 438   2004-12-23   
678-550 1 Atlanta Northwest GA   7490 LEVEL 3 TELECOM OF GEORGIA, LP - GA 438   2004-12-23   
678-550 2 Atlanta Northwest GA   7490 LEVEL 3 TELECOM OF GEORGIA, LP - GA 438   2004-12-23   
678-550 3 Atlanta Northwest GA   7490 LEVEL 3 TELECOM OF GEORGIA, LP - GA 438   2004-12-23   
678-550 4 Atlanta Northwest GA   7490 LEVEL 3 TELECOM OF GEORGIA, LP - GA 438   2004-12-23   
678-550 5 Atlanta Northwest GA   7490 LEVEL 3 TELECOM OF GEORGIA, LP - GA 438   2004-12-23   
678-550 6 Atlanta Northwest GA   7490 LEVEL 3 TELECOM OF GEORGIA, LP - GA 438   2004-12-23   
678-550 7 Atlanta Northwest GA   7490 LEVEL 3 TELECOM OF GEORGIA, LP - GA 438   2004-12-23   
678-550 8 Atlanta Northwest GA   7490 LEVEL 3 TELECOM OF GEORGIA, LP - GA 438   2004-12-23   
678-550 9 Atlanta Northwest GA   7490 LEVEL 3 TELECOM OF GEORGIA, LP - GA 438   2004-12-23   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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