Local Calling Guide
Area code/prefix search
NPA: 510
[Rate centres in NPA 510]
[Dial plan for NPA 510]
<< 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 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 510-623
| 4 |
Fremont-Newark: Oliver DA |
CA |
OKLDCA03DS5 |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
2015-07-01 |
|
| 510-623
| 5 |
Fremont-Newark: Oliver DA |
CA |
FRMTCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-623
| 6 |
Fremont-Newark: Oliver DA |
CA |
FRMTCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-623
| 7 |
Fremont-Newark: Oliver DA |
CA |
FRMTCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-623
| 8 |
Fremont-Newark: Oliver DA |
CA |
FRMTCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-623
| 9 |
Fremont-Newark: Oliver DA |
CA |
FRMTCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-624
| A |
Fremont-Newark: Oliver DA |
CA |
FRMTCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-624
| 0 |
Fremont-Newark: Oliver DA |
CA |
FRMTCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-624
| 1 |
Fremont-Newark: Oliver DA |
CA |
SNJUCACLDS1 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
722 |
|
2022-12-10 |
|
| 510-624
| 2 |
Fremont-Newark: Oliver DA |
CA |
FRMTCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-624
| 3 |
Fremont-Newark: Oliver DA |
CA |
FRMTCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-624
| 4 |
Fremont-Newark: Oliver DA |
CA |
FRMTCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-624
| 5 |
Fremont-Newark: Oliver DA |
CA |
FRMTCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-624
| 6 |
Fremont-Newark: Oliver DA |
CA |
FRMTCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-624
| 7 |
Fremont-Newark: Oliver DA |
CA |
FRMTCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-624
| 8 |
Fremont-Newark: Oliver DA |
CA |
FRMTCA12DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-624
| 9 |
Fremont-Newark: Oliver DA |
CA |
OKLDCA03XOY |
318J COMCAST IP PHONE, LLC |
722 |
|
2015-04-24 |
|
| 510-625
| A |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS4 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-626
| A |
Oakland: Trinidad DA |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
|
|
| 510-626
| 0 |
Oakland: Trinidad DA |
CA |
SNFCCA21XUY |
981E BANDWIDTH.COM CLEC, LLC - CA |
722 |
|
2016-09-26 |
|
| 510-626
| 1 |
Oakland: Trinidad DA |
CA |
|
515J IP HORIZON LLC |
722 |
|
2016-09-27 |
|
| 510-626
| 2 |
Oakland: Trinidad DA |
CA |
SNRSCA01KMD |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
2016-09-30 |
|
| 510-626
| 3 |
Oakland: Trinidad DA |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2016-11-13 |
|
| 510-626
| 4 |
Oakland: Trinidad DA |
CA |
OKLDCA03XOY |
318J COMCAST IP PHONE, LLC |
722 |
|
2018-03-28 |
|
| 510-626
| 5 |
Oakland: Trinidad DA |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2016-10-31 |
|
| 510-626
| 6 |
Oakland: Trinidad DA |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2016-10-31 |
|
| 510-626
| 7 |
Oakland: Trinidad DA |
CA |
OKLECAZV1MD |
6529 T-MOBILE USA, INC. |
722 |
|
2016-10-31 |
|
| 510-626
| 8 |
Oakland: Trinidad DA |
CA |
SNJUCACLDS1 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
722 |
|
2016-10-08 |
|
| 510-626
| 9 |
Oakland: Trinidad DA |
CA |
SNJUCACLDS1 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
722 |
|
2016-09-27 |
|
| 510-627
| A |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-627
| 0 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-627
| 1 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-627
| 2 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-627
| 3 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-627
| 4 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-627
| 5 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-627
| 6 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-627
| 7 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-627
| 8 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-627
| 9 |
Oakland: Main-Piedmont DA |
CA |
SNRSCA01KMD |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
2018-11-17 |
|
| 510-628
| A |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-628
| 0 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-628
| 1 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-628
| 2 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-628
| 3 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-628
| 4 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-628
| 5 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-628
| 6 |
Oakland: Main-Piedmont DA |
CA |
SNJUCACLDS1 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
722 |
|
2012-04-15 |
|
| 510-628
| 7 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
| 510-628
| 8 |
Oakland: Main-Piedmont DA |
CA |
OKLDCA03DS2 |
9740 PACIFIC BELL |
722 |
|
|
|
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Last updated: Wed, 04 Mar 2026 03:00:52 UTC
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