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.

OCN: 4007 LEVEL 3 COMMUNICATIONS, LLC - PA

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
484-475 2 Philadelphia Suburban Zone 13 PA PHLAPAFGD0S  228      
484-476 A Philadelphia Suburban Zone 24 PA PHLAPAFGD0S  228      
484-476 1 Philadelphia Suburban Zone 24 PA PHLAPAFGD0S  228   2008-01-02   
484-476 2 Philadelphia Suburban Zone 24 PA PHLAPAFGD0S  228   2008-01-02   
484-476 3 Philadelphia Suburban Zone 24 PA PHLAPAFGD0S  228   2008-01-02   
484-476 4 Philadelphia Suburban Zone 24 PA PHLAPAFGD0S  228   2008-01-02   
484-476 5 Philadelphia Suburban Zone 24 PA PHLAPAFGD0S  228   2008-01-02   
484-476 6 Philadelphia Suburban Zone 24 PA PHLAPAFGD0S  228   2008-01-02   
484-476 7 Philadelphia Suburban Zone 24 PA PHLAPAFGD0S  228   2008-01-02   
484-476 8 Philadelphia Suburban Zone 24 PA PHLAPAFGD0S  228   2008-01-02   
484-477 A Philadelphia Suburban Zone 13 PA PHLAPAFGD0S  228      
484-477 0 Philadelphia Suburban Zone 13 PA PHLAPAFGD0S  228   2005-01-13   
484-477 1 Philadelphia Suburban Zone 13 PA PHLAPAFGD0S  228   2005-01-21   
484-477 4 Philadelphia Suburban Zone 13 PA PHLAPAFGD0S  228      
484-480 9 Philadelphia Suburban Zone 11 PA PHLAPAFGD0S  228   2008-07-18   
484-483 A Philadelphia Suburban Zone 11 PA PHLAPAFGD0S  228      
484-483 0 Philadelphia Suburban Zone 11 PA PHLAPAFGD0S  228   2005-11-11   
484-483 1 Philadelphia Suburban Zone 11 PA PHLAPAFGD0S  228   2005-11-11   
484-483 2 Philadelphia Suburban Zone 11 PA PHLAPAFGD0S  228      
484-483 4 Philadelphia Suburban Zone 11 PA PHLAPAFGD0S  228      
484-487 2 Philadelphia Suburban Zone 11 PA PHLAPAFGD0S  228   2010-02-18   
484-489 A Philadelphia Suburban Zone 11 PA   228      
484-489 5 Philadelphia Suburban Zone 11 PA PHLAPAFGD0S  228      
484-493 A Philadelphia Suburban Zone 14 PA   228      
484-493 1 Philadelphia Suburban Zone 14 PA   228      
484-493 4 Philadelphia Suburban Zone 14 PA PHLAPAFGD0S  228      
484-493 7 Philadelphia Suburban Zone 14 PA PHLAPAFGD0S  228   2006-08-27   
484-494 2 Philadelphia Suburban Zone 14 PA PHLAPAFGD0S  228   2011-07-31   
484-498 2 Philadelphia Suburban Zone 14 PA PHLAPAFGD0S  228   2008-02-13   
484-498 4 Philadelphia Suburban Zone 14 PA PHLAPAFGD0S  228   2008-02-13   
484-498 6 Philadelphia Suburban Zone 14 PA PHLAPAFGD0S  228   2011-12-30   
484-498 7 Philadelphia Suburban Zone 14 PA PHLAPAFGD0S  228   2012-03-03   
484-503 1 Easton PA PHLAPAFGD0S  228   2011-05-28   
484-503 2 Easton PA PHLAPAFGD0S  228   2011-05-28   
484-503 3 Easton PA PHLAPAFGD0S  228   2011-05-28   
484-506 A Allentown (Lehigh) PA PHLAPAFGD0S  228      
484-506 2 Allentown (Lehigh) PA PHLAPAFGD0S  228   2016-02-01   
484-514 A Honey Brook PA PHLAPAFGD0S  228      
484-514 1 Honey Brook PA PHLAPAFGD0S  228   2006-05-11   
484-517 A Mortonville PA PHLAPAFGD0S  228      
484-517 4 Mortonville PA PHLAPAFGD0S  228   2004-02-07   
484-519 A Emmaus PA PHLAPAFGD0S  228      
484-519 4 Emmaus PA PHLAPAFGD0S  228      
484-526 A Bethlehem PA PHLAPAFGD0S  228      
484-526 0 Bethlehem PA PHLAPAFGD0S  228   2010-10-31   
484-526 1 Bethlehem PA PHLAPAFGD0S  228   2010-10-31   
484-526 2 Bethlehem PA PHLAPAFGD0S  228   2010-10-31   
484-526 3 Bethlehem PA PHLAPAFGD0S  228   2010-10-31   
484-526 4 Bethlehem PA PHLAPAFGD0S  228   2010-10-31   
484-526 5 Bethlehem PA PHLAPAFGD0S  228   2010-10-31   

<< 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 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.