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.

OCN: 9748 AMERICAN MESSAGING SERVICES, LLC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
586-308 A Roseville MI CMPTMIIFCM0  340      
586-309 A Roseville MI CMPTMIIFCM0  340      
586-319 A Warren MI CMPTMIIFCM0  340      
586-380 A Romeo MI CMPTMIIFCM0  340      
586-402 A Warren MI CMPTMIIFCM0  340      
586-406 A Warren MI CMPTMIIFCM0  340      
586-418 A Warren MI CMPTMIIFCM0  340      
586-450 A Mount Clemens MI CMPTMIIFCM0  340      
586-451 A Roseville MI CMPTMIIFCM0  340      
586-485 A Mount Clemens MI CMPTMIIFCM0  340      
586-507 A Warren MI CMPTMIIFCM0  340      
586-568 A Warren MI CMPTMIIFCM0  340      
586-681 A Mount Clemens MI CMPTMIIFCM0  340      
586-704 A Mount Clemens MI CMPTMIIFCM0  340      
586-708 A Warren MI CMPTMIIFCM0  340      
586-717 A Warren MI CMPTMIIFCM0  340      
586-830 A Warren MI CMPTMIIFCM0  340      
586-831 A Warren MI CMPTMIIFCM0  340      
586-832 A Warren MI CMPTMIIFCM0  340      
586-856 A Utica MI CMPTMIIFCM0  340      
586-861 A Warren MI CMPTMIIFCM0  340      
586-870 A New Baltimore MI CMPTMIIFCM0  340      
586-896 A Warren MI CMPTMIIFCM0  340      
586-898 A Warren MI CMPTMIIFCM0  340      
586-912 A Warren MI CMPTMIIFCM0  340      
586-916 A Warren MI CMPTMIIFCM0  340      
586-968 A Romeo MI CMPTMIIFCM0  340      
586-974 A Warren MI CMPTMIIFCM0  340      
586-975 A Mount Clemens MI CMPTMIIFCM0  340      
601-306 A Jackson MS JCSNMSPSX4Y  482      
601-380 A Brookhaven MS JCSNMSPSX4Y  482      
601-929 A Jackson MS JCSNMSMBYMD  482      
601-930 A Jackson MS JCSNMSPSX4Y  482      
603-376 A Dover NH MNCHNHCO29Z  122      
603-517 A Merrimack NH MNCHNHCO29Z  122      
608-202 A Janesville WI MDSNWI11XIX  354      
608-376 A Madison WI MDSNWI11XIX  354      
608-550 A Madison WI MDSNWI11XIX  354      
608-559 A Madison WI MDSNWI11XIX  354      
610-464 A Philadelphia Suburban Zone 23 PA PHLAPAMK20Z  228      
612-228 A Twin Cities MN MNNTMN58CM0  628      
612-264 A Twin Cities MN MNNTMN58CM0  628      
612-415 A Twin Cities MN MNNTMN58CM0  628      
612-480 A Twin Cities MN MNNTMN58CM0  628      
612-510 A Twin Cities MN MNNTMN58CM0  628      
612-526 A Twin Cities MN MNNTMN58CM0  628      
612-527 A Twin Cities MN MNNTMN58CM0  628      
612-530 A Twin Cities MN MNNTMN58CM0  628      
612-534 A Twin Cities MN MNNTMN58CM0  628      
612-538 A Twin Cities MN MNNTMN58CM0  628      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.