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.

NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

Block: A

<< 1 2 3 4 5 6 7 8 9 10 11 12 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-252 A Addison MI LNNGMIMNX4Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346      
517-253 A Lansing MI LNNGMIMNDS1  9323 AMERITECH MICHIGAN 346      
517-254 A Frontier MI FRNTMIXIRSA  4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 346      
517-255 A Lansing MI LNNGMIMNXJY  9748 AMERICAN MESSAGING SERVICES, LLC 346      
517-256 A Lansing MI LNNGMIMNCM5  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-257 A Jackson MI LNNGMIMNCM5  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-258 A Howell MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
517-259 A Lansing MI LNNGMIMNXJY  9748 AMERICAN MESSAGING SERVICES, LLC 346      
517-260 A Adrian MI SFLEMIFXCM2  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
517-261 A Grand Ledge MI LNNGMIMNXHY  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 346      
517-262 A Jackson MI LNNGMIMNCM5  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-263 A Adrian MI ADRNMIXGDS0  0695 FRONTIER NORTH, INC. - MI 340      
517-264 A Adrian MI ADRNMIXGDS0  0695 FRONTIER NORTH, INC. - MI 340      
517-265 A Adrian MI ADRNMIXGDS0  0695 FRONTIER NORTH, INC. - MI 340      
517-266 A Adrian MI ADRNMIXGDS0  0695 FRONTIER NORTH, INC. - MI 340      
517-267 A Lansing MI LNNGMIMNDS1  9323 AMERITECH MICHIGAN 346      
517-268 A Holt MI LNNGMI06DS0  5353 TDS METROCOM INC. - MI 346      
517-270 A Adrian MI PLMOMIFAFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-271 A Nashville MI LNNGMIMNX5Z  543C ONVOY, LLC - MI 346      
517-272 A Lansing MI LNNGMISORS0  9323 AMERITECH MICHIGAN 346      
517-273 A Howell MI BRHMMIBDBMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
517-275 A Lansing MI LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346      
517-277 A De Witt MI LNNHMIQDRS1  591C WESTPHALIA BROADBAND, INC. - MI 346      
517-278 A Coldwater MI CDWRMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
517-279 A Coldwater MI CDWRMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
517-280 A Adrian MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2021-03-20   
517-281 A Lansing MI LNNGMIMNCM5  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-282 A Lansing MI LNNGMIMNCM5  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-283 A Reading MI RDNGMIXGDS0  0695 FRONTIER NORTH, INC. - MI 346      
517-284 A Lansing MI LNNGMIMNDS1  9323 AMERITECH MICHIGAN 346      
517-285 A Lansing MI LNNGMIMNCM5  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-286 A Waldron MI WDRNMIXJDS1  0734 WALDRON TELEPHONE CO. 346      
517-287 A North Adams MI NADMMIXIDS0  4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 346      
517-288 A Sunfield MI LNNGMIMNX4Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346      
517-289 A Lansing MI LNNGMIMN01Z  821C INTRADO COMMUNICATIONS, LLC 346      
517-290 A Lansing MI LNNGMIMNCM5  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-291 A Adrian MI   495J STRATUS NETWORKS 340   2021-05-17   
517-292 A Howell MI BRHMMIBDBMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
517-294 A Fowlerville MI LNNGMIMNCM5  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-295 A Howell MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
517-296 A Montgomery MI MTGMMIXIRS0  4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 346      
517-299 A Lansing MI LNNGMIMNXJY  9748 AMERICAN MESSAGING SERVICES, LLC 346      
517-300 A Onsted MI SFLDMITODS2  543C ONVOY, LLC - MI 340      
517-301 A Tecumseh MI PLMOMIFAFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-303 A Lansing MI LNNGMIMNXSZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 346      
517-304 A Howell MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-305 A Clarklake MI LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346      
517-306 A Hudson MI PLMOMIFAFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-307 A Adrian MI CMPTMIIFCM0  9748 AMERICAN MESSAGING SERVICES, LLC 340      
517-308 A Dimondale MI LNNGMIXIDS0  7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 346      

<< 1 2 3 4 5 6 7 8 9 10 11 12 >>

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.