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: MONRLADSDS0

Remotes:

Switch Switch name Switch type
CLHNLAMARS1  CALHOUN  5ER 
CLMALAMARS1  COLUMBIA  5BR 
CWVLLAMARS1  CROWVILLE  5ER 
FTNCLAMARS1  FORT NECESSITY  5ER 
RYVLLAMARS1  RAYVILLE  5ER 
STTNLAMARS1  STERLINGTON  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
318-342 A Monroe LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-342 0 Monroe LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-342 1 Monroe LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-342 2 Monroe LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-342 3 Monroe LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-342 5 Monroe LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-342 6 Monroe LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-342 7 Monroe LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-342 8 Monroe LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-342 9 Monroe LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-343 A Monroe LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-345 A Monroe LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      

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

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