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: MLLNNEXSDS1

Remotes:

Switch Switch name Switch type
ARTHNEXSRS0  ARTHUR  251 
BRWSNEXSRS0  BREWSTER  251 
DNNGNEXSRS0  DUNNING  251 
GRTSNEAARS0  GARDNER  G5 
HYNSNEXSRS0  HYANNIS  351 
MERNNEXSRS0  MERNA  351 
THFRNEXSRS0  THEDFORD  351 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
308-546 A Mullen NE 1532 CONSOLIDATED TEL. CO. 646      
308-546 0 Mullen NE 1532 CONSOLIDATED TEL. CO. 646      
308-546 1 Mullen NE 1532 CONSOLIDATED TEL. CO. 646      
308-546 2 Mullen NE 1532 CONSOLIDATED TEL. CO. 646      
308-546 9 Mullen NE 1532 CONSOLIDATED TEL. CO. 646      

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

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