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.

Allentown (Lehigh), PA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
610-433 A ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-434 A ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-435 A ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-437 A ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-439 A ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-439 0   9208 VERIZON PENNSYLVANIA, INC. 228      
610-439 1   9208 VERIZON PENNSYLVANIA, INC. 228      
610-439 2   9208 VERIZON PENNSYLVANIA, INC. 228      
610-439 3   9208 VERIZON PENNSYLVANIA, INC. 228      
610-439 4   9208 VERIZON PENNSYLVANIA, INC. 228      
610-439 5   9208 VERIZON PENNSYLVANIA, INC. 228      
610-439 6   9208 VERIZON PENNSYLVANIA, INC. 228      
610-439 7   9208 VERIZON PENNSYLVANIA, INC. 228      
610-439 8   9208 VERIZON PENNSYLVANIA, INC. 228      
610-439 9   547E ONVOY, LLC - PA 228   2019-04-23   
610-462 A PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
610-477 A PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228      
610-477 0   002F BANDWIDTH.COM CLEC, LLC - PA 228      
610-477 1   002F BANDWIDTH.COM CLEC, LLC - PA 228      
610-477 2   002F BANDWIDTH.COM CLEC, LLC - PA 228      
610-477 3   002F BANDWIDTH.COM CLEC, LLC - PA 228      
610-477 4   002F BANDWIDTH.COM CLEC, LLC - PA 228      
610-477 5   002F BANDWIDTH.COM CLEC, LLC - PA 228      
610-477 6   002F BANDWIDTH.COM CLEC, LLC - PA 228      
610-477 7   002F BANDWIDTH.COM CLEC, LLC - PA 228      
610-477 8   002F BANDWIDTH.COM CLEC, LLC - PA 228      
610-477 9   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2019-12-05   
610-481 A KHVLPAKUDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-483 A KGPRPADOAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228      
610-483 0   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2020-05-31   
610-483 1   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2021-02-08   
610-483 2   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2021-02-08   
610-483 3   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2021-11-04   
610-483 4   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2021-11-04   
610-483 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2021-12-12   
610-483 6   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2021-10-21   
610-483 7   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2021-10-21   
610-483 8   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2021-10-21   
610-483 9   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2021-10-21   
610-504 A WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228      
610-508 A ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-508 0   9208 VERIZON PENNSYLVANIA, INC. 228      
610-508 1   9208 VERIZON PENNSYLVANIA, INC. 228      
610-508 2   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2019-05-16   
610-508 3   9208 VERIZON PENNSYLVANIA, INC. 228      
610-508 4   515J IP HORIZON LLC 228   2015-11-13   
610-508 5   9208 VERIZON PENNSYLVANIA, INC. 228      
610-508 6   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2019-01-10   
610-508 7   9208 VERIZON PENNSYLVANIA, INC. 228      
610-508 8   9208 VERIZON PENNSYLVANIA, INC. 228      
610-508 9   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2019-01-10   
610-509 A PHLAPASLOMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
610-512 A GRTWDEBSCM8  6810 REDI-CALL COMMUNICATIONS CO. 228      
610-530 A KHVLPAKUDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-533 A PHLAPASLOMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
610-554 A PHLAPASLOMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
610-573 A PHLAPASLUMD  7421 AT&T - LOCAL 228      
610-573 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2005-02-01   
610-573 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2005-02-01   
610-573 2   7421 AT&T - LOCAL 228      
610-573 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2005-02-01   
610-573 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2005-02-01   
610-573 5   7421 AT&T - LOCAL 228      
610-573 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2005-02-01   
610-573 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2005-02-01   
610-573 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2005-02-01   
610-573 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2005-11-15   
610-597 A PHLAPASLOMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
610-606 A ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-606 0   9208 VERIZON PENNSYLVANIA, INC. 228      
610-606 1   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2015-11-23   
610-606 2   9208 VERIZON PENNSYLVANIA, INC. 228      
610-606 3   9208 VERIZON PENNSYLVANIA, INC. 228      
610-606 4   9208 VERIZON PENNSYLVANIA, INC. 228      
610-606 5   5562 METROPCS, INC. 228   2018-10-14   
610-606 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2021-12-12   
610-606 7   9208 VERIZON PENNSYLVANIA, INC. 228      
610-606 8   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2015-10-12   
610-606 9   9208 VERIZON PENNSYLVANIA, INC. 228      
610-628 A PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-628 0   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2004-11-29   
610-628 1   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2005-01-02   
610-628 2   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2005-01-02   
610-628 3   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2005-04-25   
610-628 4   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-628 5   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2024-09-18   
610-628 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228   2005-03-15   
610-628 7   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2005-03-15   
610-628 8   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2005-03-15   
610-628 9   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2005-04-25   
610-657 A PHLAPASLOMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
610-663 A ALTWPAALDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-663 0   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2020-01-30   
610-663 1   829J PAETEC ITEL, LLC 228   2019-10-01   
610-663 2   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2020-11-11   
610-663 3   9208 VERIZON PENNSYLVANIA, INC. 228      
610-663 4   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2019-12-05   
610-663 5   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2016-01-22   
610-663 6   9208 VERIZON PENNSYLVANIA, INC. 228      
610-663 7   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 228   2017-07-16   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.