Local Calling Guide
Area code/prefix search
Hermosa, SD
NPA-NXX | BLOCK | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|
605-255 | A | HRMSSDXARS1 | 1660 FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | 640 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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