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: CATNMAAKPS0

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
617-535 A Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-580 A Charlestown MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-580 9 Charlestown MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-595 4 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-04-24   
617-597 A Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-597 0 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-597 1 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-597 2 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-597 4 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-597 5 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-597 6 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-597 9 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-600 A Watertown MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-600 2 Watertown MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-600 9 Watertown MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-607 A Watertown MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-607 0 Watertown MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-607 1 Watertown MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-607 2 Watertown MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-607 6 Watertown MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-607 8 Watertown MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-11-22   
617-607 9 Watertown MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-11-22   
617-608 A Brookline MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-608 0 Brookline MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-608 1 Brookline MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-608 2 Brookline MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-608 4 Brookline MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-608 5 Brookline MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-608 6 Brookline MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-614 A Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-614 0 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-614 1 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-614 2 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-614 3 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-614 4 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-614 5 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-04-03   
617-614 6 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-04-03   
617-615 3 Milton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-06-09   
617-618 A Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-618 0 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-618 1 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-618 2 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-618 4 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-618 9 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-649 A Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-649 0 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-649 1 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-649 2 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-649 3 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-649 4 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.