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: RLFLMNXR25G

Remotes:

Switch Switch name Switch type
BLTRMNXBRS0  BELTRAMI  RS 
BRKSMNXBRS6  BROOKS  DC1 
ERSKMNXARS6  ERSKINE  DC1 
FRTLMNXFRS9  FERTILE  DC4 
GDRGMNXGRS3  GOODRIDGE  DC1 
GRYGMNXGRS2  GRYGLA  DC1 
GTZKMNXGRS4  GATZKE  DC1 
LNRDMNXLRS9  LEONARD  DC1 
MCINMNXMRS5  MCINTOSH  DC1 
MNTRMNXMRS6  MENTOR  DC1 
MPBAMNXMRS5  MAPLEBAY  DC1 
OKLEMNXORS7  OKLEE  DC1 
PLMRMNXPRS4  PLUMMER  RSL 
STHRMNXSRS9  ST HILAIRE  DC1 
TRFLMN24RS0  THIEF RIVER FALLS  RS 
WNGRMNXWRS0  WINGER  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
218-253 A Red Lake Falls MN 1395 GARDEN VALLEY TEL. CO. 636      
218-253 0 Red Lake Falls MN 1395 GARDEN VALLEY TEL. CO. 636      
218-253 1 Red Lake Falls MN 1395 GARDEN VALLEY TEL. CO. 636      
218-253 2 Red Lake Falls MN 1395 GARDEN VALLEY TEL. CO. 636      
218-253 3 Red Lake Falls MN 1395 GARDEN VALLEY TEL. CO. 636      
218-253 4 Red Lake Falls MN 1395 GARDEN VALLEY TEL. CO. 636      
218-253 5 Red Lake Falls MN 1395 GARDEN VALLEY TEL. CO. 636      
218-253 6 Red Lake Falls MN 1395 GARDEN VALLEY TEL. CO. 636      
218-253 7 Red Lake Falls MN 1395 GARDEN VALLEY TEL. CO. 636      
218-253 9 Red Lake Falls MN 1395 GARDEN VALLEY TEL. CO. 636      
218-551 4 Crookston MN 105J GARDEN VALLEY TELEPHONE COMPANY - MN 636   2021-05-11   
218-793 6 East Grand Forks MN 105J GARDEN VALLEY TELEPHONE COMPANY - MN 636   2024-03-09   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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