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: AURRCO20AMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-901 A Montrose CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-903 A Durango CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-939 A Greeley CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-946 A Durango CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-966 A Loveland CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-975 A Montrose CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-987 A Glenwood Springs CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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