Local Calling Guide

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Rock Springs, MT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-354 A RCSPMTXCRS1  2246 MID-RIVERS TELEPHONE COOPERATIVE, INC. 650      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: ISP Telecom

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