Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 303 [Rate centres in NPA 303] [Dial plan for NPA 303]

NXX: 652

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-652 A Longmont CO NIWTCOMADS0  9636 QWEST CORPORATION 656      
303-652 0 Longmont CO   9636 QWEST CORPORATION 656      
303-652 1 Longmont CO   9636 QWEST CORPORATION 656      
303-652 2 Longmont CO   9636 QWEST CORPORATION 656      
303-652 3 Longmont CO   9636 QWEST CORPORATION 656      
303-652 4 Longmont CO   9636 QWEST CORPORATION 656      
303-652 5 Longmont CO   829J PAETEC ITEL, LLC 656   2003-08-18   
303-652 6 Longmont CO   9636 QWEST CORPORATION 656      
303-652 7 Longmont CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2005-10-14   
303-652 8 Longmont CO   9636 QWEST CORPORATION 656      
303-652 9 Longmont CO   9636 QWEST CORPORATION 656      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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