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.

Michigan Bar, CA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
279-212 A SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
279-212 0 SCRMCA01XYZ  073H TELNYX LLC 726      
279-212 1 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
279-212 2 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
279-212 4 SCRMCA0101Z  624H ONVOY SPECTRUM, LLC 726      
279-212 5 SCRMCA0101Z  624H ONVOY SPECTRUM, LLC 726      
279-212 6 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
279-212 7 SCRMCA0101Z  624H ONVOY SPECTRUM, LLC 726      
279-212 8 SCRMCA01Y0X  425J CSC WIRELESS, LLC 726      
279-212 9 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
279-232 A SCRMCA01XTZ  939H COMMIO, LLC 726      
279-232 0 SCRMCA01XTZ  939H COMMIO, LLC 726      
279-232 1 SCRMCA01XTZ  939H COMMIO, LLC 726      
279-232 3   624H ONVOY SPECTRUM, LLC 726      
279-232 4   624H ONVOY SPECTRUM, LLC 726      
279-232 5   624H ONVOY SPECTRUM, LLC 726      
279-232 6   624H ONVOY SPECTRUM, LLC 726      
279-232 7   624H ONVOY SPECTRUM, LLC 726      
279-232 8 SCRMCA01XTZ  939H COMMIO, LLC 726      
279-232 9 SCRMCA0119Z  490J DISH WIRELESS, LLC 726      
279-500 A SCRMCA0104Z  965H FRACTEL, LLC 726      
279-500 0 SCRMCA0104Z  965H FRACTEL, LLC 726      
279-500 1 SCRMCA01X7Z  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726      
279-500 2 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
279-500 3 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
279-500 4 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
279-500 5 SCRMCA0104Z  965H FRACTEL, LLC 726      
279-500 6 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
279-500 7 SCRMCA0104Z  965H FRACTEL, LLC 726      
279-500 8 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
279-500 9 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-222 A   649C ONVOY, LLC - CA 726   2025-01-12   
916-222 0   649C ONVOY, LLC - CA 726      
916-222 1   649C ONVOY, LLC - CA 726      
916-222 2   649C ONVOY, LLC - CA 726      
916-222 3   649C ONVOY, LLC - CA 726      
916-222 4   649C ONVOY, LLC - CA 726      
916-222 5   649C ONVOY, LLC - CA 726      
916-222 6   649C ONVOY, LLC - CA 726      
916-222 7   649C ONVOY, LLC - CA 726      
916-222 8   649C ONVOY, LLC - CA 726      
916-222 9   649C ONVOY, LLC - CA 726      
916-234 A   515J IP HORIZON LLC 726      
916-234 0 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-234 1   515J IP HORIZON LLC 726      
916-234 2   515J IP HORIZON LLC 726      
916-234 3 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-234 4   515J IP HORIZON LLC 726      
916-234 5 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-234 6 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-234 7 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-234 8 SCRMCA01XSZ  073H TELNYX LLC 726      
916-304 A SCRMCAWC2KD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 726      
916-304 0 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-304 1 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-304 2 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-304 3 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-304 4 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-304 5 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-304 6 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-304 7 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-304 8 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-304 9 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-312 A SCRLCAXXDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 726      
916-312 0 SCRMCA01XSZ  073H TELNYX LLC 726      
916-312 1 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-312 2 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-312 3 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-312 4 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-312 5 SCRMCA01XEZ  516C AT&T CORP. 726      
916-312 6 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-312 9 SCRLCAXXDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 726      
916-314 A SCRMCAWC2KD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 726      
916-314 0 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-314 1 WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-314 2 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-314 3 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-314 4 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-314 5 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-314 6 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-314 7 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-314 8 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-314 9 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-352 A SCRMCACNDS0  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 726      
916-352 0 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-352 2 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-352 3 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-352 4 SCRMCACNDS0  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 726      
916-352 5 WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-352 6 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-352 7 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-352 8 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-354 A RNMRCA11RS0  9740 PACIFIC BELL 726      
916-354 0 RNMRCA11RS0  9740 PACIFIC BELL 726      
916-354 1 RNMRCA11RS0  9740 PACIFIC BELL 726      
916-354 2 RNMRCA11RS0  9740 PACIFIC BELL 726      
916-354 3 RNMRCA11RS0  9740 PACIFIC BELL 726      
916-354 5 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-354 6 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-354 7 SCRMCA01X9Z  508J CENTURYLINK COMMUNICATIONS, LLC 726      

1 2 >>

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.