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: 520

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
770-520 A Adairsville GA ATLNGABU05Z  624H ONVOY SPECTRUM, LLC 438      
770-520 0 Adairsville GA ATLNGABU05Z  624H ONVOY SPECTRUM, LLC 438   2022-10-10   
770-520 1 Adairsville GA ATLNGABU05Z  624H ONVOY SPECTRUM, LLC 438   2022-10-10   
770-520 2 Adairsville GA ATLNGABU05Z  624H ONVOY SPECTRUM, LLC 438   2022-10-10   
770-520 3 Adairsville GA ATLNGABU05Z  624H ONVOY SPECTRUM, LLC 438   2022-10-10   
770-520 4 Adairsville GA ATLNGABUXZY  983E BANDWIDTH.COM CLEC, LLC - GA 438   2022-10-11   
770-520 5 Adairsville GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438   2022-10-14   
770-520 6 Adairsville GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438   2022-12-23   
770-520 7 Adairsville GA ATLNGAQSFMD  073H TELNYX LLC 438   2023-01-19   
770-520 8 Adairsville GA ATLNGAQSFMD  073H TELNYX LLC 438   2022-10-11   
770-520 9 Adairsville GA ATLNGAMQDS7  909E PEERLESS NETWORK OF GEORGIA, LLC - GA 438   2022-12-15   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.