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: CLMATNMADS0

Remotes:

Switch Switch name Switch type
CULKTNMARS5  CULLEOKA  RSC 
HHNWTNMARS5  HOHENWALD  RSS 
HMPSTNMARS5  HAMPSHIRE  RSC 
LYVLTNMARS5  LYNNVILLE  RSC 
MNPLTNMARS5  MOUNT PLEASANT  RSC 
SMTWTNMARS5  SUMMERTOWN  RSS 
SNTFTNMARS5  SANTA FE  RSC 
SPHLTNMTRS0  SPRING HILL  RSS 
WLPTTNMARS0  WILLIAMSPORT  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
931-380 A Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-381 A Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-388 A Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-490 A Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-540 A Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-540 0 Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-540 1 Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-540 2 Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-540 4 Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-540 5 Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-540 6 Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-540 7 Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-540 8 Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-540 9 Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-560 A Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-560 0 Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-560 1 Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-560 2 Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-560 3 Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-560 4 Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-840 A Columbia TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      

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

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