Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 615 [Rate centres in NPA 615] [Dial plan for NPA 615]

NXX: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
615-551 A Spencer Mill TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470      
615-551 0 Spencer Mill TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2020-06-19   
615-551 1 Spencer Mill TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2020-06-19   
615-551 2 Spencer Mill TN NSVLTNMT96Z  124F BANDWIDTH.COM CLEC, LLC - TN 470   2018-08-24   
615-551 3 Spencer Mill TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2020-01-05   
615-551 4 Spencer Mill TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2020-03-28   
615-551 5 Spencer Mill TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2020-01-05   
615-551 6 Spencer Mill TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2019-02-10   
615-551 7 Spencer Mill TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2019-02-10   
615-551 8 Spencer Mill TN NSVLTNMT96Z  124F BANDWIDTH.COM CLEC, LLC - TN 470   2019-06-01   
615-551 9 Spencer Mill TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2020-03-28   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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