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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
215-390 A Philadelphia Suburban Zone 33 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
215-392 A Philadelphia Suburban Zone 38 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
215-394 A Philadelphia Suburban Zone 39 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
215-397 A Philadelphia Zone 2 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
215-399 A Philadelphia Zone 1 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
267-427 A Pennsburg PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228   2009-06-30   
267-470 A Philadelphia Suburban Zone 33 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
484-320 A Philadelphia Suburban Zone 28 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
484-430 A Philadelphia Suburban Zone 23 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
484-540 A Philadelphia Suburban Zone 14 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
484-583 A Philadelphia Suburban Zone 26 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
484-679 A Philadelphia Suburban Zone 30 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
610-226 A Collegeville PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
610-227 A Philadelphia Suburban Zone 23 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
610-228 A Philadelphia Suburban Zone 24 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
610-229 A Philadelphia Suburban Zone 25 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
610-230 A Philadelphia Suburban Zone 26 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
610-232 A Philadelphia Suburban Zone 28 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
610-233 A Philadelphia Suburban Zone 30 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
610-234 A Philadelphia Suburban Zone 31 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
610-235 A West Chester PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      
610-897 A Philadelphia Suburban Zone 31 PA 7434 MCI WORLDCOM COMMUNICATIONS, INC. - PA 228      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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