Local Calling Guide
Area code/prefix search
NPA: 310
[Rate centres in NPA 310]
[Dial plan for NPA 310]
<< 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 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 310-808
| A |
Compton: Gardena DA |
CA |
GRDNCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-808
| 0 |
Compton: Gardena DA |
CA |
GRDNCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-808
| 1 |
Compton: Gardena DA |
CA |
GRDNCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-808
| 2 |
Compton: Gardena DA |
CA |
GRDNCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-808
| 3 |
Compton: Gardena DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2003-09-17 |
|
| 310-808
| 4 |
Compton: Gardena DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2006-03-25 |
|
| 310-808
| 5 |
Compton: Gardena DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2006-03-25 |
|
| 310-808
| 6 |
Compton: Gardena DA |
CA |
ANHMCANG5MD |
829J PAETEC ITEL, LLC |
730 |
|
2004-06-16 |
|
| 310-808
| 7 |
Compton: Gardena DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2003-09-17 |
|
| 310-808
| 8 |
Compton: Gardena DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2006-12-01 |
|
| 310-808
| 9 |
Compton: Gardena DA |
CA |
GRDNCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-809
| A |
San Pedro |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-809
| 0 |
San Pedro |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-809
| 1 |
San Pedro |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-809
| 2 |
San Pedro |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-809
| 3 |
San Pedro |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-809
| 4 |
San Pedro |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-809
| 5 |
San Pedro |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-809
| 6 |
San Pedro |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-809
| 7 |
San Pedro |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-809
| 8 |
San Pedro |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-809
| 9 |
San Pedro |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 310-810
| A |
Compton: Compton DA |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
|
|
| 310-810
| 0 |
Compton: Compton DA |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2020-12-12 |
|
| 310-810
| 1 |
Compton: Compton DA |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2020-12-12 |
|
| 310-810
| 2 |
Compton: Compton DA |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2020-12-12 |
|
| 310-810
| 3 |
Compton: Compton DA |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2020-12-12 |
|
| 310-810
| 4 |
Compton: Compton DA |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2020-12-12 |
|
| 310-810
| 5 |
Compton: Compton DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2021-05-22 |
|
| 310-810
| 6 |
Compton: Compton DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2021-05-22 |
|
| 310-810
| 7 |
Compton: Compton DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2021-05-22 |
|
| 310-810
| 8 |
Compton: Compton DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2021-05-22 |
|
| 310-810
| 9 |
Compton: Compton DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2023-12-13 |
|
| 310-812
| A |
Hawthorne |
CA |
ELSGCA12DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-813
| A |
Hawthorne |
CA |
ELSGCA12DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-814
| A |
Hawthorne |
CA |
ELSGCA12DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-815
| A |
Culver City |
CA |
CLCYCA11DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-816
| A |
San Pedro |
CA |
WLMGCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-817
| A |
Compton: Gardena DA |
CA |
GRDNCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-817
| 0 |
Compton: Gardena DA |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2011-03-27 |
|
| 310-817
| 1 |
Compton: Gardena DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2006-10-29 |
|
| 310-817
| 2 |
Compton: Gardena DA |
CA |
BLTNCAADPS2 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2005-09-12 |
|
| 310-817
| 3 |
Compton: Gardena DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2006-10-29 |
|
| 310-817
| 4 |
Compton: Gardena DA |
CA |
SHOKCA02QMD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2007-01-10 |
|
| 310-817
| 5 |
Compton: Gardena DA |
CA |
SHOKCA02QMD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2007-02-10 |
|
| 310-817
| 6 |
Compton: Gardena DA |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2005-01-05 |
|
| 310-817
| 7 |
Compton: Gardena DA |
CA |
GRDNCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-817
| 8 |
Compton: Gardena DA |
CA |
GRDNCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 310-817
| 9 |
Compton: Gardena DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2005-07-09 |
|
| 310-818
| A |
Compton: Gardena DA |
CA |
IRVNCASM1MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
|
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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