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.

OCN: 732J NUSO, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
983-200 A Longmont CO DNVTCOZIGMD  656      
983-200 1 Longmont CO DNVTCOZIGMD  656   2023-05-29   
983-777 6 Denver CO DNVRCOMA53Z  656   2023-12-28   
983-983 1 Longmont CO DNVTCOZIGMD  656   2023-12-28   
983-983 2 Longmont CO DNVTCOZIGMD  656   2023-12-28   
983-999 7 Denver CO   656   2024-01-30   
984-306 A Cary NC RLGINCMNBMD  426      
984-306 1 Cary NC RLGINCMNBMD  426   2022-12-11   
984-324 A Wake Forest NC RLGHNCHEBMD  426      
984-324 1 Wake Forest NC RLGHNCHEBMD  426   2023-04-15   
986-233 A Blackfoot ID BOISIDMAXXY  652      
986-233 1 Blackfoot ID BOISIDMAXXY  652   2022-11-16   
986-248 A Coeur D'Alene ID CRALIDABAMD  960      
986-248 1 Coeur D'Alene ID CRALIDABAMD  960   2023-04-06   
986-249 A Idaho Falls ID BOISID373MD  652      
986-249 2 Idaho Falls ID BOISID373MD  652   2023-04-02   
986-251 A Moscow ID CRALIDABBMD  960      
986-251 2 Moscow ID CRALIDABBMD  960   2023-04-02   
989-363 A Merrill MI MRRLMIXGAMD  344      
989-363 1 Merrill MI MRRLMIXGAMD  344   2022-10-30   
989-363 2 Merrill MI MRRLMIXGAMD  344   2023-12-11   
989-363 4 Merrill MI MRRLMIXGAMD  344   2023-12-17   
989-391 A Bay City MI SGNWMIACNMD  344      
989-391 6 Bay City MI SGNWMIACNMD  344   2023-03-05   

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Last updated: Sat, 01 Jun 2024 11:59:14 UTC

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