Area Code |
Prefix |
Zip Count |
ZIP Freq |
Type |
Company |
Rate Center |
510 |
256 |
20037 |
0 |
LANDLINE |
O1 COMMUNICATIONS, INC. - CA |
CROCKETT |
510 |
725 |
20037 |
0 |
LANDLINE |
LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
OKLD BKLY |
707 |
205 |
20037 |
0 |
LANDLINE |
LEVEL 3 COMMUNICATIONS, LLC - CA |
BENICIA |
925 |
210 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
212 |
20037 |
0 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC |
WALNUT CRK |
925 |
213 |
20037 |
0 |
WIRELESS |
USA MOBILITY WIRELESS, INC. |
WALNUT CRK |
925 |
214 |
20037 |
0 |
LANDLINE |
PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
WALNUT CRK |
925 |
220 |
20037 |
0 |
WIRELESS |
AMERICAN MESSAGING SERVICES, LLC |
WALNUT CRK |
925 |
221 |
20037 |
0 |
WIRELESS |
33 WIRELESS INC. |
WALNUT CRK |
925 |
239 |
20037 |
0 |
LANDLINE |
PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
WALNUT CRK |
925 |
256 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
260 |
20037 |
0 |
WIRELESS |
SPRINT SPECTRUM, L.P. |
WALNUT CRK |
925 |
266 |
20037 |
0 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
WALNUT CRK |
925 |
274 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
278 |
20037 |
0 |
LANDLINE |
COMCAST IP PHONE, LLC |
WALNUT CRK |
925 |
279 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
280 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
282 |
20037 |
-1 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
LAFAYETTE |
925 |
283 |
20037 |
-1 |
LANDLINE |
PACIFIC BELL |
LAFAYETTE |
925 |
284 |
20037 |
-1 |
LANDLINE |
PACIFIC BELL |
LAFAYETTE |
925 |
285 |
20037 |
0 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC |
WALNUT CRK |
925 |
286 |
20037 |
0 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC |
WALNUT CRK |
925 |
287 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
289 |
20037 |
0 |
LANDLINE |
YMAX COMMUNICATIONS CORP. - CA |
WALNUT CRK |
925 |
295 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
296 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
297 |
20037 |
-1 |
LANDLINE |
XO CALIFORNIA, INC. |
LAFAYETTE |
925 |
298 |
20037 |
-1 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
LAFAYETTE |
925 |
299 |
20037 |
-1 |
LANDLINE |
PACIFIC BELL |
LAFAYETTE |
925 |
300 |
20037 |
0 |
LANDLINE |
O1 COMMUNICATIONS, INC. - CA |
WALNUT CRK |
925 |
304 |
20037 |
0 |
LANDLINE |
LEVEL 3 COMMUNICATIONS, LLC - CA |
CLAYTON |
925 |
309 |
20037 |
0 |
LANDLINE |
LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
DANVILLE |
925 |
310 |
20037 |
0 |
LANDLINE |
LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
LAFAYETTE |
925 |
316 |
20037 |
0 |
LANDLINE |
LEVEL 3 COMMUNICATIONS, LLC - CA |
MARTINEZ |
925 |
317 |
20037 |
0 |
LANDLINE |
O1 COMMUNICATIONS, INC. - CA |
ORINDA |
925 |
318 |
20037 |
0 |
LANDLINE |
LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
PITTSBURG |
925 |
322 |
20037 |
0 |
LANDLINE |
BANDWIDTH.COM CLEC, LLC - CA |
WALNUT CRK |
925 |
323 |
20037 |
0 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC |
WALNUT CRK |
925 |
324 |
20037 |
0 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
WALNUT CRK |
925 |
330 |
20037 |
0 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC |
WALNUT CRK |
925 |
333 |
20037 |
0 |
WIRELESS |
AMERICAN MESSAGING SERVICES, LLC |
WALNUT CRK |
925 |
340 |
20037 |
0 |
WIRELESS |
USA MOBILITY WIRELESS, INC. |
WALNUT CRK |
925 |
357 |
20037 |
0 |
LANDLINE |
LEVEL 3 COMMUNICATIONS, LLC - CA |
WALNUT CRK |
925 |
360 |
20037 |
0 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC |
WALNUT CRK |
925 |
378 |
20037 |
0 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
WALNUT CRK |
925 |
393 |
20037 |
0 |
LANDLINE |
ONVOY, LLC - CA |
WALNUT CRK |
925 |
395 |
20037 |
0 |
LANDLINE |
AT&T - LOCAL |
WALNUT CRK |
925 |
403 |
20037 |
-1 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
LAFAYETTE |
925 |
407 |
20037 |
0 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WALNUT CRK |
925 |
430 |
20037 |
0 |
LANDLINE |
COMCAST IP PHONE, LLC |
WALNUT CRK |
925 |
433 |
20037 |
0 |
LANDLINE |
COMCAST IP PHONE, LLC |
WALNUT CRK |
925 |
440 |
20037 |
0 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
WALNUT CRK |
925 |
444 |
20037 |
-1 |
LANDLINE |
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
LAFAYETTE |
925 |
448 |
20037 |
0 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
WALNUT CRK |
925 |
451 |
20037 |
0 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC |
WALNUT CRK |
925 |
457 |
20037 |
0 |
WIRELESS |
SPRINT SPECTRUM, L.P. |
WALNUT CRK |
925 |
464 |
20037 |
0 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
WALNUT CRK |
925 |
465 |
20037 |
0 |
LANDLINE |
LEVEL 3 COMMUNICATIONS, LLC - CA |
WALNUT CRK |
925 |
472 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
478 |
20037 |
0 |
LANDLINE |
LEVEL 3 COMMUNICATIONS, LLC - CA |
WALNUT CRK |
925 |
482 |
20037 |
0 |
LANDLINE |
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
WALNUT CRK |
925 |
488 |
20037 |
0 |
LANDLINE |
PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
WALNUT CRK |
925 |
512 |
20037 |
0 |
LANDLINE |
|
|
925 |
527 |
20037 |
0 |
WIRELESS |
UTILITY TELECOM GROUP, LLC - CA |
WALNUT CRK |
925 |
532 |
20037 |
0 |
LANDLINE |
TELNYX LLC |
WALNUT CRK |
925 |
542 |
20037 |
0 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
WALNUT CRK |
925 |
546 |
20037 |
0 |
LANDLINE |
TON80 COMMUNICATIONS, LLC |
WALNUT CRK |
925 |
588 |
20037 |
0 |
WIRELESS |
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
WALNUT CRK |
925 |
592 |
20037 |
0 |
LANDLINE |
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
MORAGA |
925 |
627 |
20037 |
-1 |
LANDLINE |
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
WALNUT CRK |
925 |
639 |
20037 |
0 |
WIRELESS |
T-MOBILE USA, INC. |
WALNUT CRK |
925 |
658 |
20037 |
0 |
LANDLINE |
TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
WALNUT CRK |
925 |
705 |
20037 |
0 |
WIRELESS |
METROPCS, INC. |
WALNUT CRK |
925 |
708 |
20037 |
0 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
WALNUT CRK |
925 |
722 |
20037 |
0 |
LANDLINE |
FRACTEL, LLC |
WALNUT CRK |
925 |
744 |
20037 |
0 |
LANDLINE |
FRACTEL, LLC |
WALNUT CRK |
925 |
746 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
765 |
20037 |
0 |
WIRELESS |
SPRINT SPECTRUM, L.P. |
WALNUT CRK |
925 |
766 |
20037 |
0 |
WIRELESS |
SPRINT SPECTRUM, L.P. |
WALNUT CRK |
925 |
788 |
20037 |
0 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
WALNUT CRK |
925 |
817 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
818 |
20037 |
0 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC |
WALNUT CRK |
925 |
876 |
20037 |
0 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC |
WALNUT CRK |
925 |
878 |
20037 |
-1 |
WIRELESS |
SPRINT SPECTRUM, L.P. |
LAFAYETTE |
925 |
899 |
20037 |
0 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC |
WALNUT CRK |
925 |
900 |
20037 |
-1 |
LANDLINE |
O1 COMMUNICATIONS, INC. - CA |
LAFAYETTE |
925 |
906 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
920 |
20037 |
0 |
WIRELESS |
USA MOBILITY WIRELESS, INC. |
WALNUT CRK |
925 |
926 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
927 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
930 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
932 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
933 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
934 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
935 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
937 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
938 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
939 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
941 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
942 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
943 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
944 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
945 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
946 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
947 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
948 |
20037 |
0 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
WALNUT CRK |
925 |
949 |
20037 |
0 |
LANDLINE |
TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
WALNUT CRK |
925 |
951 |
20037 |
0 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WALNUT CRK |
925 |
952 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
953 |
20037 |
0 |
LANDLINE |
LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
WALNUT CRK |
925 |
956 |
20037 |
0 |
LANDLINE |
XO CALIFORNIA, INC. |
WALNUT CRK |
925 |
962 |
20037 |
-1 |
LANDLINE |
PACIFIC BELL |
LAFAYETTE |
925 |
974 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
975 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
977 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
979 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |
925 |
988 |
20037 |
0 |
WIRELESS |
PACIFIC BELL |
WALNUT CRK |