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.

Reading, PA

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
484-336 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2005-02-13   
484-338 A RDNGPAREDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
484-338 0   6921 LIMITLESS MOBILE, LLC 228   2008-01-07   
484-338 1   9208 VERIZON PENNSYLVANIA, INC. 228      
484-338 2   9208 VERIZON PENNSYLVANIA, INC. 228      
484-338 3   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2011-08-05   
484-338 4   6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 228   2006-05-06   
484-338 5   6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 228   2006-01-16   
484-338 6   6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 228   2006-05-06   
484-338 7   9208 VERIZON PENNSYLVANIA, INC. 228      
484-338 8   9208 VERIZON PENNSYLVANIA, INC. 228      
484-338 9   9208 VERIZON PENNSYLVANIA, INC. 228      
484-339 A PHLAPAFGD2S  547E ONVOY, LLC - PA 228      
484-345 A KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228      
484-345 0   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2009-11-14   
484-345 1   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2009-11-14   
484-345 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228   2009-11-17   
484-345 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228   2009-11-17   
484-345 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228   2009-11-17   
484-345 5   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2024-12-29   
484-345 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228   2009-11-17   
484-345 7   6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 228   2009-12-19   
484-345 8   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2010-02-06   
484-345 9   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2010-02-06   
484-355 A KGPRPADODS0  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
484-355 0   7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2009-08-03   
484-355 1   7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2009-08-03   
484-355 2   7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2009-08-03   
484-355 3   7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2009-08-03   
484-355 4   7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2009-08-03   
484-355 5   7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2009-08-03   
484-355 6   7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2009-08-03   
484-355 7   7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2009-08-03   
484-355 8   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2023-10-18   
484-355 9   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2024-01-13   
484-388 A KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228      
484-388 0   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2008-06-30   
484-388 1   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2008-06-30   
484-388 2   7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2008-10-14   
484-388 3   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2008-09-04   
484-388 4   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2008-07-18   
484-388 5   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2008-07-18   
484-388 6   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2008-09-04   
484-388 7   6921 LIMITLESS MOBILE, LLC 228   2008-10-28   
484-388 8   6921 LIMITLESS MOBILE, LLC 228   2008-10-28   
484-388 9   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2009-02-06   
484-400 A BOTWPAXB1MD  6921 LIMITLESS MOBILE, LLC 228      
484-509 A PHLAPAMKXCX  318J COMCAST IP PHONE, LLC 228      
484-509 0   002F BANDWIDTH.COM CLEC, LLC - PA 228   2014-03-27   
484-509 1   002F BANDWIDTH.COM CLEC, LLC - PA 228   2014-07-14   
484-509 2   318J COMCAST IP PHONE, LLC 228   2014-03-22   
484-509 3   6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 228   2014-08-23   
484-509 4   318J COMCAST IP PHONE, LLC 228   2014-05-30   
484-509 5   318J COMCAST IP PHONE, LLC 228   2014-05-30   
484-509 6   6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 228   2014-08-23   
484-509 7   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2014-08-30   
484-509 8   6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 228   2014-08-23   
484-509 9   547E ONVOY, LLC - PA 228   2014-05-31   
484-512 A KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228      
484-512 0   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2016-07-23   
484-512 1   507J THE VOICE APPLICATION NETWORK, LLC 228   2016-09-11   
484-512 2   507J THE VOICE APPLICATION NETWORK, LLC 228   2016-09-11   
484-512 3   7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2016-07-24   
484-512 4   507J THE VOICE APPLICATION NETWORK, LLC 228   2016-09-11   
484-512 5   507J THE VOICE APPLICATION NETWORK, LLC 228   2016-09-11   
484-512 6   507J THE VOICE APPLICATION NETWORK, LLC 228   2016-09-11   
484-512 7   507J THE VOICE APPLICATION NETWORK, LLC 228   2016-09-11   
484-512 8   507J THE VOICE APPLICATION NETWORK, LLC 228   2016-09-11   
484-512 9   551G NUSO, LLC 228   2016-09-23   
484-513 A WNRTPAAHCMA  6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 228      
484-513 0   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2017-08-06   
484-513 1   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2021-05-29   
484-513 2   547E ONVOY, LLC - PA 228   2017-05-15   
484-513 3   318J COMCAST IP PHONE, LLC 228   2016-12-05   
484-513 4   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2017-07-01   
484-513 5   5562 METROPCS, INC. 228   2017-03-17   
484-513 6   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2017-07-01   
484-513 7   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2017-07-01   
484-513 8   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2022-02-13   
484-513 9   6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 228   2016-11-21   
484-516 A PHLAPAMK33Z  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
484-516 0   073H TELNYX LLC 228   2017-07-26   
484-516 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2017-12-22   
484-516 2   318J COMCAST IP PHONE, LLC 228   2017-06-10   
484-516 3   8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228   2017-01-08   
484-516 4   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2017-07-01   
484-516 5   5562 METROPCS, INC. 228   2016-12-30   
484-516 6   5562 METROPCS, INC. 228   2017-03-17   
484-516 7   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2017-07-01   
484-516 8   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2017-07-01   
484-516 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2016-11-28   
484-525 A WNRTPAAHCMA  6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 228      
484-525 0   002F BANDWIDTH.COM CLEC, LLC - PA 228   2008-12-19   
484-525 1   6921 LIMITLESS MOBILE, LLC 228   2009-04-10   
484-525 2   6921 LIMITLESS MOBILE, LLC 228   2009-04-16   
484-525 3   6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 228   2009-01-19   
484-525 4   784E BLOCK LINE SYSTEMS, LLC - PA 228   2008-11-24   
484-525 5   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2017-07-09   
484-525 6   283E YMAX COMMUNICATIONS CORP. - PA 228   2008-10-13   
484-525 7   283E YMAX COMMUNICATIONS CORP. - PA 228   2008-10-13   

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

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.