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.

NPA: 610 [Rate centres in NPA 610] [Dial plan for NPA 610]

<< 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 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-862 8 Philadelphia Suburban Zone 31 PA PHLAPAMKXSX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
610-862 9 Philadelphia Suburban Zone 31 PA PHLAPAMKXSX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228   2005-09-28   
610-863 A Pen Argyl PA PNARPAXPRS0  0161 COMMONWEALTH TELEPHONE COMPANY LLC 228      
610-864 A Philadelphia Suburban Zone 28 PA WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228      
610-865 A Bethlehem PA BHLHPABEDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-866 A Bethlehem PA BHLHPABEDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-867 A Bethlehem PA BHLHPABEDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-868 A Bethlehem PA BHLHPABEDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-869 A West Grove PA WGRVPAWGRS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-870 A Philadelphia Suburban Zone 14 PA   829J PAETEC ITEL, LLC 228   2025-03-11   
610-870 0 Philadelphia Suburban Zone 14 PA   829J PAETEC ITEL, LLC 228      
610-870 1 Philadelphia Suburban Zone 14 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-11-05   
610-870 2 Philadelphia Suburban Zone 14 PA   829J PAETEC ITEL, LLC 228      
610-870 3 Philadelphia Suburban Zone 14 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-11-05   
610-870 4 Philadelphia Suburban Zone 14 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-11-05   
610-870 5 Philadelphia Suburban Zone 14 PA   829J PAETEC ITEL, LLC 228      
610-870 6 Philadelphia Suburban Zone 14 PA FTWSPAFWX2X  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2021-08-23   
610-870 7 Philadelphia Suburban Zone 14 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-11-05   
610-870 8 Philadelphia Suburban Zone 14 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-11-05   
610-870 9 Philadelphia Suburban Zone 14 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2004-11-05   
610-871 A Allentown (Lehigh) PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-871 0 Allentown (Lehigh) PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-871 1 Allentown (Lehigh) PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-871 2 Allentown (Lehigh) PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-871 3 Allentown (Lehigh) PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-871 4 Allentown (Lehigh) PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-871 5 Allentown (Lehigh) PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-871 6 Allentown (Lehigh) PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-871 7 Allentown (Lehigh) PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-871 8 Allentown (Lehigh) PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-871 9 Allentown (Lehigh) PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
610-872 A Philadelphia Suburban Zone 11 PA CHESPACADS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-873 A Downingtown PA DWTWPADTDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-874 A Philadelphia Suburban Zone 11 PA CHESPACADS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-875 A Green Hills PA ALTWPADTRS0  8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-875 0 Green Hills PA ALTWPADTRS0  8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-875 1 Green Hills PA ALTWPADTRS0  8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-875 2 Green Hills PA ALTWPADTRS0  8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-875 3 Green Hills PA ALTWPADTRS0  8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-875 4 Green Hills PA ALTWPADTRS0  8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-875 5 Green Hills PA ALTWPADTRS0  8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-875 6 Green Hills PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2017-05-04   
610-876 A Philadelphia Suburban Zone 11 PA CHESPACADS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-877 A Philadelphia Suburban Zone 31 PA   829J PAETEC ITEL, LLC 228   2025-03-11   
610-877 0 Philadelphia Suburban Zone 31 PA   829J PAETEC ITEL, LLC 228      
610-877 2 Philadelphia Suburban Zone 31 PA WNRTPAAHCMA  5562 METROPCS, INC. 228   2008-08-15   
610-877 3 Philadelphia Suburban Zone 31 PA   829J PAETEC ITEL, LLC 228      
610-877 4 Philadelphia Suburban Zone 31 PA   829J PAETEC ITEL, LLC 228      
610-877 5 Philadelphia Suburban Zone 31 PA PHLAPAFG3MD  752H BARR TELL USA, INC. - PA 228   2016-02-11   
610-877 6 Philadelphia Suburban Zone 31 PA PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2022-01-08   

<< 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 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 >>

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.