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: LDLWMAWIRS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
413-547 A Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-547 0 Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-547 2 Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-547 6 Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-547 8 Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-583 A Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-583 2 Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-583 3 Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-583 4 Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-583 5 Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-583 6 Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-583 7 Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-583 8 Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-589 A Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-589 0 Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-589 1 Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-589 7 Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      
413-589 9 Ludlow MA 9102 VERIZON NEW ENGLAND INC. 126      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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