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.

Switch: PHLAPAFGDSS

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
267-405 A Philadelphia Suburban Zone 33 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
267-565 A Philadelphia Suburban Zone 43 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
267-689 A Philadelphia Suburban Zone 43 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
267-750 A Newtown PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
302-397 A Wilmington DE 4124 XO DELAWARE, INC. 228      
302-400 A New Castle DE 4124 XO DELAWARE, INC. 228      
302-408 A Holly Oak DE 4124 XO DELAWARE, INC. 228      
302-414 A New Castle DE 4124 XO DELAWARE, INC. 228      
302-417 A Holly Oak DE 4124 XO DELAWARE, INC. 228      
302-499 A Delaware City DE 4124 XO DELAWARE, INC. 228      
302-517 A Hockessin DE 4124 XO DELAWARE, INC. 228      
302-520 A Delaware City DE 4124 XO DELAWARE, INC. 228      
302-583 A Delaware City DE 4124 XO DELAWARE, INC. 228      
302-585 A Hockessin DE 4124 XO DELAWARE, INC. 228      
302-597 A Delaware City DE 4124 XO DELAWARE, INC. 228      
484-244 A Allentown (Lehigh) PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
484-355 A Reading PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
484-426 A Allentown (Lehigh) PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
484-503 A Easton PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
484-528 A Westtown PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
484-604 A Lenape PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
484-628 A Reading PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
484-633 A Allentown (Lehigh) PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
484-659 A Reading PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      
484-751 A Philadelphia Suburban Zone 30 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 228      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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