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: 313 [Rate centres in NPA 313] [Dial plan for NPA 313]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-870 7 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-870 8 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-870 9 Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-871 A Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-872 A Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-872 0 Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-872 1 Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-872 2 Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-872 3 Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-872 4 Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-872 5 Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-872 6 Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-872 7 Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-872 8 Detroit Zone 1 MI   478J NUSO, LLC 340      
313-872 9 Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-873 A Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-874 A Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-875 A Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-876 A Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-877 A Detroit Zone 1 MI DTRTMIRVDS0  9323 MICHIGAN BELL TEL CO 340      
313-877 0 Detroit Zone 1 MI DTRTMIRVDS0  9323 MICHIGAN BELL TEL CO 340      
313-877 1 Detroit Zone 1 MI DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-877 2 Detroit Zone 1 MI DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-877 3 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-877 4 Detroit Zone 1 MI DTRTMIRVDS0  9323 MICHIGAN BELL TEL CO 340      
313-877 5 Detroit Zone 1 MI DTRTMIRVDS0  9323 MICHIGAN BELL TEL CO 340      
313-877 6 Detroit Zone 1 MI DTRTMIRVDS0  9323 MICHIGAN BELL TEL CO 340      
313-877 7 Detroit Zone 1 MI DTRTMIRVDS0  9323 MICHIGAN BELL TEL CO 340      
313-877 8 Detroit Zone 1 MI DTRTMIRVDS0  9323 MICHIGAN BELL TEL CO 340      
313-877 9 Detroit Zone 1 MI DTRTMIRVDS0  9323 MICHIGAN BELL TEL CO 340      
313-878 A Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-878 0 Detroit Zone 5 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-878 1 Detroit Zone 5 MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-878 2 Detroit Zone 5 MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-878 3 Detroit Zone 5 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-878 4 Detroit Zone 5 MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-878 5 Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-878 6 Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-878 7 Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-878 8 Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-878 9 Detroit Zone 5 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-879 A Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-879 0 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-879 1 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-879 2 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-879 3 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-879 4 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-879 5 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-879 6 Detroit Zone 1 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-879 7 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-879 8 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-879 9 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-880 A Detroit Zone 1 MI SFLDMITOCMD  597F VOIP INNOVATIONS, LLC 340      
313-880 0 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-880 1 Detroit Zone 1 MI SFLDMITOCMD  597F VOIP INNOVATIONS, LLC 340      
313-880 2 Detroit Zone 1 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-880 3 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-880 4 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-880 5 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-880 6 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-880 7 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-880 8 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-880 9 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-881 A Detroit Zone 2 MI DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-882 A Detroit Zone 2 MI DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-883 A Detroit Zone 3 MI HGPKMITSDS0  9323 MICHIGAN BELL TEL CO 340      
313-883 0 Detroit Zone 3 MI HGPKMITSDS0  9323 MICHIGAN BELL TEL CO 340      
313-883 1 Detroit Zone 3 MI HGPKMITSDS0  9323 MICHIGAN BELL TEL CO 340      
313-883 2 Detroit Zone 3 MI HGPKMITSDS0  9323 MICHIGAN BELL TEL CO 340      
313-883 3 Detroit Zone 3 MI HGPKMITSDS0  9323 MICHIGAN BELL TEL CO 340      
313-883 4 Detroit Zone 3 MI HGPKMITSDS0  9323 MICHIGAN BELL TEL CO 340      
313-883 5 Detroit Zone 3 MI   829J PAETEC ITEL, LLC 340      
313-883 6 Detroit Zone 3 MI HGPKMITSDS0  9323 MICHIGAN BELL TEL CO 340      
313-883 7 Detroit Zone 3 MI HGPKMITSDS0  9323 MICHIGAN BELL TEL CO 340      
313-883 8 Detroit Zone 3 MI HGPKMITSDS0  9323 MICHIGAN BELL TEL CO 340      
313-883 9 Detroit Zone 3 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-884 A Detroit Zone 2 MI DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-885 A Detroit Zone 2 MI DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-886 A Detroit Zone 2 MI DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-887 A Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-887 0 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-887 1 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-887 2 Detroit Zone 1 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-887 3 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-887 4 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-887 5 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-887 6 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-887 7 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-887 8 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-887 9 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-888 A Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-888 0 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-888 1 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-888 2 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-888 3 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-888 4 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-888 5 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-888 6 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-888 7 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-888 8 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.