Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 531 [Rate centres in NPA 531] [Dial plan for NPA 531]

NXX: 361

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-361 A Fremont NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2024-04-26   
531-361 0 Fremont NE   549E ONVOY, LLC - NE 644   2024-04-26   
531-361 1 Fremont NE   549E ONVOY, LLC - NE 644   2024-04-26   
531-361 3 Fremont NE   6701 AERIAL COMMUNICATIONS, INC. 644   2024-09-01   
531-361 4 Fremont NE   6701 AERIAL COMMUNICATIONS, INC. 644   2024-09-01   
531-361 5 Fremont NE   6701 AERIAL COMMUNICATIONS, INC. 644   2024-09-01   
531-361 6 Fremont NE   6701 AERIAL COMMUNICATIONS, INC. 644   2024-04-27   
531-361 7 Fremont NE   6701 AERIAL COMMUNICATIONS, INC. 644   2024-04-27   
531-361 8 Fremont NE   6701 AERIAL COMMUNICATIONS, INC. 644   2024-04-27   
531-361 9 Fremont NE   6701 AERIAL COMMUNICATIONS, INC. 644   2024-04-27   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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