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.

Chattanooga, TN

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
423-635 9   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2014-05-08   
423-637 A CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472      
423-637 0   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2008-08-15   
423-637 1   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2008-08-18   
423-637 2   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2008-08-18   
423-637 3   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2008-08-18   
423-637 4   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2008-08-16   
423-637 5   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2008-08-16   
423-637 6   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2008-10-04   
423-637 7   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2010-07-04   
423-637 8   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2008-12-12   
423-637 9   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2008-08-15   
423-642 A CHTGTNNSDS1  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-643 A CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472      
423-645 A CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-648 A CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472      
423-653 A CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-654 A CHTGTNNSY0X  425J CSC WIRELESS, LLC 472      
423-654 0   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2022-12-29   
423-654 1   624H ONVOY SPECTRUM, LLC 472   2021-11-12   
423-654 2   425J CSC WIRELESS, LLC 472   2020-09-11   
423-654 3   4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-12-17   
423-654 4   4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2021-07-17   
423-654 5   624H ONVOY SPECTRUM, LLC 472   2021-11-12   
423-654 6   624H ONVOY SPECTRUM, LLC 472   2021-11-12   
423-654 7   4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-12-17   
423-654 8   4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2021-07-17   
423-654 9   4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2021-07-17   
423-655 A CHTGTNMAXTX  6630 USA MOBILITY WIRELESS, INC. 472      
423-660 A CHTGTNNSXTZ  506J TWILIO INTERNATIONAL, INC. 472      
423-660 0   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2021-09-19   
423-660 1   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2021-09-19   
423-660 2   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2021-09-19   
423-660 3   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2021-09-19   
423-660 4   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2021-09-19   
423-660 6   506J TWILIO INTERNATIONAL, INC. 472   2020-11-15   
423-660 7   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2024-10-18   
423-660 8   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2024-10-18   
423-660 9   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2021-09-19   
423-661 A CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472      
423-661 0   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2015-06-14   
423-661 1   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2015-06-14   
423-661 2   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2015-06-14   
423-661 3   4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2015-08-13   
423-661 4   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2015-10-04   
423-661 5   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2015-10-04   
423-661 6   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2015-10-04   
423-661 7   4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2015-08-13   
423-661 8   4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2015-08-13   
423-661 9   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2014-10-11   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.