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.

San Luis Obispo, CA

<< 1 2 3 4 5 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
805-439 0 SNLOCA88PS0  776C CHARTER FIBERLINK CA-CCO, LLC - CA 740      
805-439 1 SNLOCA88PS0  776C CHARTER FIBERLINK CA-CCO, LLC - CA 740      
805-439 2 SNLOCA88PS0  776C CHARTER FIBERLINK CA-CCO, LLC - CA 740      
805-439 3 SNLOCA88PS0  776C CHARTER FIBERLINK CA-CCO, LLC - CA 740      
805-439 4 SNLOCA88PS0  776C CHARTER FIBERLINK CA-CCO, LLC - CA 740      
805-439 5 SNLOCA88PS0  776C CHARTER FIBERLINK CA-CCO, LLC - CA 740      
805-439 6 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-439 7 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-439 8 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-439 9 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-440 A SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-441 A SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-457 A SNLOCA011KD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 740      
805-457 0 SNBBCAXFXWX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740      
805-457 1 SNBBCAXFXWX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740      
805-457 2 SNLOCA01XCX  981E BANDWIDTH.COM CLEC, LLC - CA 740      
805-457 3 SNLOCA01XCX  981E BANDWIDTH.COM CLEC, LLC - CA 740      
805-457 4 SNLOCA01XCX  981E BANDWIDTH.COM CLEC, LLC - CA 740      
805-457 5 SNLOCA01XCX  981E BANDWIDTH.COM CLEC, LLC - CA 740      
805-457 6 SNBBCAXFXWX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740      
805-457 8 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-457 9 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-458 A SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-458 0 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-458 1 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-458 2 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-458 3 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-458 4 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-458 5 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-458 6 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-458 7 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-458 8 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-458 9 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-459 A SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-471 A SNLOCA01X1Y  6010 NEW CINGULAR WIRELESS PCS, LLC 740      
805-476 A SNLOCA011KD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 740      
805-476 0 SNLOCA01XCX  981E BANDWIDTH.COM CLEC, LLC - CA 740      
805-476 1 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-476 2 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-476 3 SNBBCAXFXWX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740      
805-476 4 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-476 6 SNLOCA014MD  9262 UTILITY TELECOM GROUP, LLC - CA 740      
805-476 8 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-476 9 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-503 A SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-503 0 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-503 1 SNLOCAMOBMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-503 2 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-503 3 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-503 4 SNLOCAMOBMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-503 5 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-503 6 SNLOCAMOBMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-503 7 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-503 8 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-503 9 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-505 A SNBBCAXFXCY  939H COMMIO, LLC 740      
805-505 0 SNBBCAXFXCY  939H COMMIO, LLC 740      
805-505 1 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-505 2 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-505 3 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-505 4 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-505 5 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-505 6 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-505 7 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-505 8 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-505 9   649C ONVOY, LLC - CA 740      
805-528 A BYPKCA11RS1  9740 PACIFIC BELL 740      
805-534 A BYPKCA11RS1  9740 PACIFIC BELL 740      
805-534 0 BYPKCA11RS1  9740 PACIFIC BELL 740      
805-534 1 BYPKCA11RS1  9740 PACIFIC BELL 740      
805-534 3 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-534 4 SNLOCA01XJX  5562 METROPCS, INC. 740      
805-534 5 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-534 6 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-534 7 SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-534 8   649C ONVOY, LLC - CA 740      
805-534 9 BYPKCA11RS1  9740 PACIFIC BELL 740      
805-540 A SNLOCA014MD  9262 UTILITY TELECOM GROUP, LLC - CA 740      
805-540 0 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-540 1 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-540 2 SNLOCA014MD  9262 UTILITY TELECOM GROUP, LLC - CA 740      
805-540 3 SNLOCA014MD  9262 UTILITY TELECOM GROUP, LLC - CA 740      
805-540 4 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-540 5 SNLOCA014MD  9262 UTILITY TELECOM GROUP, LLC - CA 740      
805-540 6 SNLOCA014MD  9262 UTILITY TELECOM GROUP, LLC - CA 740      
805-540 7 SNLOCA014MD  9262 UTILITY TELECOM GROUP, LLC - CA 740      
805-540 8 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-540 9 SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740      
805-541 A SNLOCA01DS1  9740 PACIFIC BELL 740      
805-542 A SNLOCA01DS1  9740 PACIFIC BELL 740      
805-542 0 SNLOCA01DS1  9740 PACIFIC BELL 740      
805-542 1 SNLOCA01DS1  9740 PACIFIC BELL 740      
805-542 2 SNLOCA01DS1  9740 PACIFIC BELL 740      
805-542 4 SNLOCA01DS1  9740 PACIFIC BELL 740      
805-542 5 SNLOCA01DS1  9740 PACIFIC BELL 740      
805-542 6 SNLOCA01DS1  9740 PACIFIC BELL 740      
805-542 7 SNLOCA01DS1  9740 PACIFIC BELL 740      
805-542 8 SNLOCA01DS1  9740 PACIFIC BELL 740      
805-542 9 SNLOCA01DS1  9740 PACIFIC BELL 740      
805-543 A SNLOCA01DS1  9740 PACIFIC BELL 740      

<< 1 2 3 4 5 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.