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: MAVLTNMADS0

Remotes:

Switch Switch name Switch type
FIVLTNMARS5  FRIENDSVILLE  RSS 
TWNSTNMARS5  TOWNSEND  RSS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
865-336 A Maryville TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
865-379 A Maryville TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
865-380 A Maryville TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
865-681 A Maryville TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
865-970 A Knoxville TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
865-977 A Maryville TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
865-980 A Maryville TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
865-981 A Maryville TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
865-982 A Maryville TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
865-983 A Maryville TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
865-984 A Maryville TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
865-985 A Knoxville TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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