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: PHLAMSMADS2

Remotes:

Switch Switch name Switch type
BKVLMSSURS9  BROOKSVILLE  EXM 
BRWDMSMARS9  BRIARWOOD  EXM 
DKLBMSMARS9  DE KALB  EXM 
LAKEMSMARS9  LAKE  EXM 
LSVLMSMARS9  LOUISVILLE  EXM 
LYVLMSMARS9  LYNVILLE  EXM 
MACNMSMARS9  MACON  EXM 
MNASMSMARS9  MERIDIAN NAVAL AIR STATION  EXM 
NWTNMSHCRS9  NEWTON HICKORY  EXM 
NWTNMSMARS9  NEWTON  EXM 
OBDHMSMARS9  OBADIAH  EXM 
SCOBMSMARS9  SCOOBA  EXM 
SHQLMSMARS9  SHUQUALAK  EXM 
UNINMSDSRS9  UNION  EXM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
601-389 A Philadelphia MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-650 A Philadelphia MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-656 A Philadelphia MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-663 A Philadelphia MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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