Local Calling Guide
Area code/prefix search
Ontario, CA
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 909-309
| A |
LSANCA05TMD |
6630 USA MOBILITY WIRELESS, INC. |
730 |
|
|
|
| 909-319
| A |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 909-321
| A |
LSANCAJW2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
730 |
|
|
|
| 909-321
| 0 |
|
576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB |
730 |
|
2017-01-27 |
|
| 909-321
| 1 |
|
649C ONVOY, LLC - CA |
730 |
|
2012-09-12 |
|
| 909-321
| 2 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2012-12-13 |
|
| 909-321
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2011-10-27 |
|
| 909-321
| 4 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2012-12-13 |
|
| 909-321
| 5 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2012-08-06 |
|
| 909-321
| 6 |
|
649C ONVOY, LLC - CA |
730 |
|
2013-03-08 |
|
| 909-321
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
730 |
|
2013-03-15 |
|
| 909-321
| 8 |
|
649C ONVOY, LLC - CA |
730 |
|
2013-06-13 |
|
| 909-321
| 9 |
|
649C ONVOY, LLC - CA |
730 |
|
2013-03-29 |
|
| 909-322
| A |
RVSDCAYAGT1 |
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 909-322
| 0 |
|
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 909-322
| 1 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 909-322
| 2 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 909-322
| 3 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 909-322
| 4 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 909-322
| 5 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 909-322
| 6 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 909-322
| 7 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 909-322
| 8 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 909-322
| 9 |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 909-331
| A |
BLTNCAADPS2 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
|
|
| 909-331
| 0 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2004-05-31 |
|
| 909-331
| 1 |
|
6529 T-MOBILE USA, INC. |
730 |
|
2002-12-13 |
|
| 909-331
| 2 |
|
6529 T-MOBILE USA, INC. |
730 |
|
2002-12-13 |
|
| 909-331
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
|
|
| 909-331
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2001-07-30 |
|
| 909-331
| 5 |
|
6529 T-MOBILE USA, INC. |
730 |
|
2002-12-04 |
|
| 909-331
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2003-07-16 |
|
| 909-331
| 7 |
|
6529 T-MOBILE USA, INC. |
730 |
|
2002-12-15 |
|
| 909-331
| 8 |
|
6529 T-MOBILE USA, INC. |
730 |
|
2002-12-13 |
|
| 909-331
| 9 |
|
6529 T-MOBILE USA, INC. |
730 |
|
2002-12-13 |
|
| 909-354
| A |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
| 909-354
| 0 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2005-03-10 |
|
| 909-354
| 1 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2005-03-10 |
|
| 909-354
| 2 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2005-03-10 |
|
| 909-354
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2005-03-11 |
|
| 909-354
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2005-03-11 |
|
| 909-354
| 5 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2017-02-27 |
|
| 909-354
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2005-03-31 |
|
| 909-354
| 7 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2005-03-31 |
|
| 909-354
| 8 |
|
829J PAETEC ITEL, LLC |
730 |
|
2005-05-19 |
|
| 909-354
| 9 |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2005-03-10 |
|
| 909-376
| A |
RVSDCAYAGT1 |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 909-376
| 0 |
|
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 909-376
| 1 |
|
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 909-376
| 2 |
|
6529 T-MOBILE USA, INC. |
730 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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