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: OMAHNENWXWY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
402-370 2 Norfolk NE 907K ALLO COMMUNICATIONS LLC 644   2020-03-27   
402-402 4 Norfolk NE 907K ALLO COMMUNICATIONS LLC 644   2024-11-01   
402-459 2 Fremont NE 907K ALLO COMMUNICATIONS LLC 644   2021-01-10   
531-230 1 Columbus NE 907K ALLO COMMUNICATIONS LLC 644   2021-04-29   
531-257 A Valentine NE 907K ALLO COMMUNICATIONS LLC 644      
531-257 5 Valentine NE 907K ALLO COMMUNICATIONS LLC 644   2021-04-29   
531-359 A Omaha NE 907K ALLO COMMUNICATIONS LLC 644      
531-359 0 Omaha NE 907K ALLO COMMUNICATIONS LLC 644   2024-04-19   
531-359 1 Omaha NE 907K ALLO COMMUNICATIONS LLC 644   2024-04-19   
531-359 2 Omaha NE 907K ALLO COMMUNICATIONS LLC 644   2024-04-19   
531-359 3 Omaha NE 907K ALLO COMMUNICATIONS LLC 644   2024-04-19   
531-370 A Fremont NE 907K ALLO COMMUNICATIONS LLC 644      
531-370 5 Fremont NE 907K ALLO COMMUNICATIONS LLC 644   2025-01-16   
531-519 6 Wayne NE 907K ALLO COMMUNICATIONS LLC 644   2021-01-10   
531-600 A Omaha NE 907K ALLO COMMUNICATIONS LLC 644      
531-600 7 Omaha NE 907K ALLO COMMUNICATIONS LLC 644   2015-05-04   
531-985 A Omaha NE 907K ALLO COMMUNICATIONS LLC 644   2025-10-03   
531-985 5 Omaha NE 907K ALLO COMMUNICATIONS LLC 644   2025-10-03   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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