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.

Johnson City, TN

<< 1 2 3 4 5 6 7 8 9 10 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
423-631 3 JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2011-05-26   
423-631 4 JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956   2024-01-05   
423-631 5 JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2011-05-26   
423-631 6 JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2011-05-18   
423-631 7 JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2011-05-18   
423-631 8 JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2011-05-18   
423-631 9 JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2011-05-18   
423-656 A JHCYTNXCY0X  425J CSC WIRELESS, LLC 956      
423-656 0 JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2023-02-23   
423-656 1 JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2021-01-22   
423-656 2 JHCYTNXCY0X  425J CSC WIRELESS, LLC 956   2020-09-21   
423-656 3 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-656 4 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-656 5 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-656 6 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-656 7 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-656 8 JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2023-11-22   
423-656 9 JHCYTNXCXRY  478J NUSO, LLC 956   2023-12-30   
423-670 A JHCYTNXCXJY  515J IP HORIZON LLC 956      
423-670 0 JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2023-03-11   
423-670 1   515J IP HORIZON LLC 956   2020-11-14   
423-670 2 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-670 3 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-670 4 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-670 5 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-670 6 JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-01-06   
423-670 7 JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-01-06   
423-670 8 JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2023-02-26   
423-670 9 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-12-18   
423-672 A JHCYTNXCXAY  073H TELNYX LLC 956      
423-672 0 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2022-12-10   
423-672 1 JHCYTNXCXAY  073H TELNYX LLC 956   2020-02-17   
423-672 2 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-672 3 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-672 4 JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-05-22   
423-672 5 JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-05-22   
423-672 6 JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956   2021-10-08   
423-672 7 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2022-12-10   
423-672 8 JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2022-02-07   
423-672 9 JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2022-02-07   
423-673 A JHCYTNXCXQY  8356 US LEC OF TENNESSEE, INC. 956      
423-673 0 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-12-18   
423-673 1 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-12-18   
423-673 2 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-12-18   
423-673 3 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-12-18   
423-673 4 JHCYTNXCXQY  8356 US LEC OF TENNESSEE, INC. 956   2021-05-28   
423-673 5 JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-12-18   
423-673 6 JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-10-23   
423-673 7 JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-10-23   
423-673 8 JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-10-23   

<< 1 2 3 4 5 6 7 8 9 10 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.