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: LTTNNHPLDS0

Remotes:

Switch Switch name Switch type
BHLHNHCRRS1  BETHLEHEM  5ER 
BRLNNHHERS1  BERLIN  5ER 
CLBKNHMA277  COLEBROOK  5ER 
CLBKNHMARS1  COLEBROOK  5ER 
ERRLNHYARS1  ERROL  5ER 
FRNCNHWHRS1  FRANCONIA  5ER 
GRHMNHLARS1  GORHAM  5ER 
GVTNNHSTRS1  GROVETON  5ER 
GVTNNHSTRS2  GROVETON  5ER 
JFSNNHYARS1  JEFFERSON  5ER 
LNCSNHHIRS1  LANCASTER  5ER 
LNCSNHHIRS2  LANCASTER  5ER 
LSBNNHMARS1  LISBON  5ER 
MILNNHPLRS1  MILAN  5ER 
NHHLNHDMRS1  NORTH HAVERHILL  5ER 
NSFRNHMA962  NORTH STRATFORD  5ER 
NSFRNHMARS1  NORTH STRATFORD  5ER 
PIKENHPIRS1  PIKE  5ER 
PSBGNHMARS1  PITTSBURG  5ER 
TWMTNHYARS1  TWIN MOUNTAIN  5ER 
WDVLNHJLRS1  WOODSVILLE  5ER 
WHFDNHPLRS1  WHITEFIELD  5ER 
WSTWNHBS266  WEST STEWARTSTOWN  5ER 
WSTWNHBSRS1  WEST STEWARTSTOW  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
603-444 A Littleton NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

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

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