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.

Philadelphia Suburban Zone 10, PA

<< 1 2 3 4

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
610-717 5   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-717 6 KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2005-07-02   
610-717 7 KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2005-06-02   
610-717 8 KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2005-06-02   
610-717 9   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2025-09-15   
610-742 A KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228      
610-773 A PHLAPAFGBMD  197D VONAGE AMERICA LLC 228      
610-773 0 PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2021-11-23   
610-773 1 PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2021-11-23   
610-773 2 PHLAPAFGBMD  197D VONAGE AMERICA LLC 228   2021-11-22   
610-773 3 PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2022-01-08   
610-773 4 PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2022-01-08   
610-773 5 KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2021-12-11   
610-773 6 KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2021-12-11   
610-773 7 KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2021-12-11   
610-773 8 KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2021-12-11   
610-773 9 KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2021-12-11   
610-808 A KGPRPADODS0  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-808 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-03-15   
610-808 1 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-27   
610-808 2 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-27   
610-808 3 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-27   
610-808 4 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-27   
610-808 5 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-08-27   
610-808 6 KGPRPADODS0  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2017-02-17   
610-808 7 PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2019-10-29   
610-808 8   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-26   
610-808 9 KGPRPADODS0  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
835-220 A PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
835-220 0 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2023-11-04   
835-220 1 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2023-11-04   
835-220 2 LPTPPAMAGT2  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2024-12-19   
835-220 3 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2023-11-04   
835-220 4 PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-09-01   
835-220 5 PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-09-01   
835-220 6 PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-09-01   
835-220 7 PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-09-01   
835-220 8 PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-09-01   
835-220 9 PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-09-01   
835-235 A PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
835-235 0 LPTPPAMAGT2  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2024-11-03   
835-235 1 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2024-02-29   
835-235 2 PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2024-02-29   
835-235 3 WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2024-07-28   
835-235 4 WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2024-07-28   
835-235 5 PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2024-05-16   
835-235 6 PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-12-23   
835-235 7 PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-12-23   
835-235 8 PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-12-23   
835-235 9 PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-12-23   
835-275 A   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-10-20   
835-275 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-10-20   
835-275 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-10-20   
835-275 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-10-20   
835-275 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-10-20   

<< 1 2 3 4

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.