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.
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Switch: ATLNGAQSDS3

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
770-284 A Atlanta South GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-285 A Conyers GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-290 A Atlanta Northeast GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-308 A Atlanta Northwest GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-325 A Atlanta Northeast GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-369 A Atlanta Northeast GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-370 A Atlanta Northwest GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-371 A Atlanta South GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-372 A Atlanta Northwest GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-375 A Atlanta Northeast GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-625 A Atlanta Northeast GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-626 A Atlanta South GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-629 A Atlanta South GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-705 A Atlanta Northeast GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-767 A Atlanta Northwest GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-779 A Atlanta Northwest GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
770-870 A Atlanta Northeast GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
943-217 A Buford GA 7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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