SAN MARCOS prefixes in area code 760
NANPA records 25 assigned NXX blocks to rate center SAN MARCOS in area code 760, 3.2% of the 785 blocks assigned in the code. A rate center is the billing geography a block is allocated to – NANPA truncates the name to ten characters, so read it as a NANPA label rather than a town. 11 holders hold those blocks, the largest being PACIFIC BELL (10), U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (3), MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA (3). The earliest assignment on record here is 2001-02-22 and the most recent 2001-02-22. 16 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots. The same rate center name also appears in area codes 442, 512, 737 – overlay codes cover the same geography, so a rate center is served by all of them.
Prefixes assigned here
| Prefix | Holder of record | Assigned | Pooled | In service |
|---|---|---|---|---|
| 760-204 | 33 WIRELESS INC. | – | no | yes |
| 760-290 | TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | – | yes | yes |
| 760-304 | AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - CA | – | yes | yes |
| 760-410 | TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | – | yes | yes |
| 760-471 | AT&T PACIFIC BELL | – | no | yes |
| 760-481 | Windstream PAETEC ITEL, LLC | – | yes | yes |
| 760-510 | AT&T PACIFIC BELL | – | no | yes |
| 760-539 | Onvoy ONVOY, LLC - CA | – | yes | yes |
| 760-566 | Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | – | yes | yes |
| 760-571 | Lumen LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | – | yes | yes |
| 760-591 | AT&T PACIFIC BELL | – | no | yes |
| 760-593 | AT&T PACIFIC BELL | 2001-02-22 | yes | yes |
| 760-621 | Lumen LEVEL 3 COMMUNICATIONS, LLC - CA | – | yes | yes |
| 760-653 | Lumen LEVEL 3 COMMUNICATIONS, LLC - CA | – | yes | yes |
| 760-661 | NORTH COUNTY COMMUNICATION CORPORATION - CA | – | no | yes |
| 760-682 | Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | – | yes | yes |
| 760-736 | AT&T PACIFIC BELL | – | no | yes |
| 760-744 | AT&T PACIFIC BELL | – | no | yes |
| 760-750 | AT&T PACIFIC BELL | – | yes | yes |
| 760-752 | AT&T PACIFIC BELL | – | no | yes |
| 760-759 | TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | – | yes | yes |
| 760-761 | AT&T PACIFIC BELL | – | no | yes |
| 760-798 | Comcast COMCAST PHONE OF CALIFORNIA, LLC | – | yes | yes |
| 760-891 | AT&T PACIFIC BELL | – | yes | yes |
| 760-916 | Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | – | yes | yes |
The holder is who received the block from the numbering administrator. It is not necessarily the carrier serving a given number: numbers move with their owners, and a pooled block is shared.
Who holds the blocks
| Holder | Brand | Blocks | Share here |
|---|---|---|---|
| PACIFIC BELL | AT&T | 10 | 40% |
| U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | TPx | 3 | 12% |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | Verizon | 3 | 12% |
| LEVEL 3 COMMUNICATIONS, LLC - CA | Lumen | 2 | 8% |
| 33 WIRELESS INC. | – | 1 | 4% |
| TELEPORT COMMUNICATIONS AMERICA, LLC - CA | AT&T | 1 | 4% |
| PAETEC ITEL, LLC | Windstream | 1 | 4% |
| ONVOY, LLC - CA | Onvoy | 1 | 4% |
| LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | Lumen | 1 | 4% |
| NORTH COUNTY COMMUNICATION CORPORATION - CA | – | 1 | 4% |
| COMCAST PHONE OF CALIFORNIA, LLC | Comcast | 1 | 4% |
Same rate center in other codes
Overlay codes cover the same geography, so one rate center is served by all of them.
Frequently asked
Which prefixes belong to SAN MARCOS in area code 760?
25 blocks: 204, 290, 304, 410, 471, 481, 510, 539, 566, 571, 591, 593 and 13 more, all listed in the table above.
Which carriers have numbers in SAN MARCOS?
PACIFIC BELL (10 blocks), U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (3 blocks), MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA (3 blocks), LEVEL 3 COMMUNICATIONS, LLC - CA (2 blocks), 33 WIRELESS INC. (1 block), TELEPORT COMMUNICATIONS AMERICA, LLC - CA (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.
Is SAN MARCOS a city?
It is a rate center – the unit NANPA allocates number blocks to. Its name is abbreviated to ten characters and is not necessarily a settlement: we print it as recorded rather than guess at the full name.