Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 983 [Rate centres in NPA 983] [Dial plan for NPA 983]

NXX: 226

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
983-226 A Longmont CO   026D ONVOY, LLC - CO 656   2025-11-15   
983-226 0 Longmont CO   026D ONVOY, LLC - CO 656   2025-11-15   
983-226 1 Longmont CO   026D ONVOY, LLC - CO 656   2025-11-15   
983-226 3 Longmont CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-226 4 Longmont CO   321J HD CARRIER LLC 656   2025-11-27   
983-226 5 Longmont CO   321J HD CARRIER LLC 656   2025-11-27   
983-226 6 Longmont CO   321J HD CARRIER LLC 656   2025-11-27   
983-226 7 Longmont CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-226 8 Longmont CO   026D ONVOY, LLC - CO 656   2025-11-28   
983-226 9 Longmont CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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