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.

Switch: MNTIGAMA1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
678-577 A Atlanta Northeast GA 7421 AT&T LOCAL 438      
678-577 5 Atlanta Northeast GA 7421 AT&T LOCAL 438      
770-765 A Atlanta Northwest GA 7421 AT&T LOCAL 438      
770-765 9 Atlanta Northwest GA 7421 AT&T LOCAL 438      
770-885 A Atlanta Northeast GA 7421 AT&T LOCAL 438      
770-885 1 Atlanta Northeast GA 7421 AT&T LOCAL 438      
770-885 4 Atlanta Northeast GA 7421 AT&T LOCAL 438      
770-904 A Buford GA 7421 AT&T LOCAL 438      
770-904 8 Buford GA 7421 AT&T LOCAL 438      
770-940 A Atlanta Northeast GA 7421 AT&T LOCAL 438      
770-940 5 Atlanta Northeast GA 7421 AT&T LOCAL 438      
770-940 8 Atlanta Northeast GA 7421 AT&T LOCAL 438      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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