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NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-304 A Brutus MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-305 A Big Rapids MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-306 A Cadillac MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-307 A Morley MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-308 A Charlevoix MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-309 A Manistee MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-310 A Falmouth MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-312 A Frankfort MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-313 A Traverse City MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-314 A Kalkaska MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-315 A Muskegon MI GDRPMIBL44Z  6630 USA MOBILITY WIRELESS, INC. 348      
231-316 A Ludington MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-317 A Boyne City MI GDRPMIBL44Z  6630 USA MOBILITY WIRELESS, INC. 348      
231-318 A Traverse City MI GDRPMIBL44Z  6630 USA MOBILITY WIRELESS, INC. 348      
231-319 A Mackinaw City MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-320 A Torch River Bridge MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-321 A Elmira MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-322 A Torch River Bridge MI TRRVMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-323 A East Jordan MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-324 A Harbor Springs MI GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      
231-325 A Honor MI HNORMIXIRS1  0702 BRIGHTSPEED OF MICHIGAN, LLC 348      
231-326 A Glen Lake MI EMPRMIXIRSA  0702 BRIGHTSPEED OF MICHIGAN, LLC 348      
231-327 A Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-328 A Merritt MI MRRTMIXIDS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 348      
231-329 A Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-330 A Petoskey MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-331 A Alden MI ALDNMIXHRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-332 A Muskegon MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-333 A Cheboygan MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-334 A Glen Lake MI GLARMIXIDS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 348      
231-335 A Fremont MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-336 A Ludington MI GDRPMIBL44Z  6630 USA MOBILITY WIRELESS, INC. 348      
231-337 A McBain MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-338 A Baldwin MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-339 A Muskegon MI GDRPMIBLXGZ  9748 AMERICAN MESSAGING SERVICES, LLC 348      
231-340 A Elmira MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-341 A Lake Ann MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2025-07-06   
231-342 A Traverse City MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-343 A Muskegon MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-344 A Petoskey MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-345 A Reed City MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-346 A Traverse City MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-347 A Petoskey MI PTSKMIMNDS0  9323 MICHIGAN BELL TEL CO 348      
231-348 A Petoskey MI PTSKMIMNDS0  9323 MICHIGAN BELL TEL CO 348      
231-349 A Big Rapids MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-350 A Bellaire MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-351 A Scottville MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-352 A Frankfort MI FRFTMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-353 A McBain MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-354 A Coral MI TRFNMIMNRSA  9323 MICHIGAN BELL TEL CO 348      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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