Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 775D NUCLA-NATURITA TELEPHONE COMPANY

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
970-428 A Montrose CO GDJTCOCK2MD  656      

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: ISP Telecom

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