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: PHLAPAFGXGX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
302-237 A Dover DE 939H COMMIO, LLC 228   2024-04-13   
302-237 0 Dover DE 939H COMMIO, LLC 228   2024-04-13   
302-237 1 Dover DE 939H COMMIO, LLC 228   2024-04-13   
302-237 2 Dover DE 939H COMMIO, LLC 228   2024-04-13   
302-334 1 Holly Oak DE 939H COMMIO, LLC 228   2021-08-28   
302-334 6 Holly Oak DE 939H COMMIO, LLC 228   2021-08-28   
302-385 4 Holly Oak DE 939H COMMIO, LLC 228   2021-08-28   
302-385 7 Holly Oak DE 939H COMMIO, LLC 228   2021-08-28   
302-385 9 Holly Oak DE 939H COMMIO, LLC 228   2021-08-28   
302-506 0 Holly Oak DE 939H COMMIO, LLC 228   2024-03-03   
302-506 1 Holly Oak DE 939H COMMIO, LLC 228   2024-03-03   
302-580 0 Dover DE 939H COMMIO, LLC 228   2021-11-14   
302-580 1 Dover DE 939H COMMIO, LLC 228   2021-11-14   
302-580 2 Dover DE 939H COMMIO, LLC 228   2021-11-14   
302-580 3 Dover DE 939H COMMIO, LLC 228   2021-11-14   
302-610 5 Newark DE 939H COMMIO, LLC 228   2024-03-03   
302-610 7 Newark DE 939H COMMIO, LLC 228   2024-03-03   
302-742 8 Delaware City DE 939H COMMIO, LLC 228   2022-11-06   
302-867 A Wilmington DE 939H COMMIO, LLC 228      
302-867 5 Wilmington DE 939H COMMIO, LLC 228   2019-08-18   
302-884 0 Wilmington DE 939H COMMIO, LLC 228   2024-03-03   
302-884 1 Wilmington DE 939H COMMIO, LLC 228   2024-03-03   
302-884 8 Wilmington DE 939H COMMIO, LLC 228   2024-03-03   
302-984 9 Wilmington DE 939H COMMIO, LLC 228   2024-03-03   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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