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.

Wellesley, MA

1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
339-686 A BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
339-686 0 BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
339-686 1 BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
339-686 2 BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
339-686 3 BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
339-686 4 BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
339-686 5 BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
339-686 6 BRTNMACOX1X  829J PAETEC ITEL, LLC 128      
339-686 7 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-01   
339-686 8 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-15   
339-686 9 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-15   
781-235 A WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-237 A WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-239 A WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-263 A WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-283 A WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-304 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-304 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-304 2 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-15   
781-304 3 LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128   2008-11-03   
781-304 4 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-09-18   
781-304 5 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-304 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-09   
781-304 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-09   
781-304 8 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-10-21   
781-304 9 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-371 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-371 0 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-371 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-371 2 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-371 3 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-371 4 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-371 5 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-371 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-28   
781-416 A WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-416 0 WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-416 1 WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-416 2 WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-416 3 WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-416 4   145J TERRA NOVA TELECOM INC. 128   2022-11-02   
781-416 5 WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-416 7 WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-416 8 WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-416 9 WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-431 A WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-446 A WLSLMALADS1  9102 VERIZON NEW ENGLAND INC. 128      
781-489 A BRTNMACOX5X  829J PAETEC ITEL, LLC 128      
781-489 0 BRTNMACOX5X  829J PAETEC ITEL, LLC 128   2002-10-13   
781-489 1 BRTNMACOX5X  829J PAETEC ITEL, LLC 128   2002-03-18   
781-489 2 BRTNMACOX5X  829J PAETEC ITEL, LLC 128   2006-11-24   

1 2 3 >>

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.