Texas area code
Area code 210
210 is a Texas area code covering San Antonio. Check a 210 number below to see if it is mobile, landline or VoIP, and which carrier it is with today.
Verdicts describe reachability. They are not compliance checks.
- State
- Texas
- Exchanges in use
- 784
- Thousands-blocks assigned
- 5,590
- Carriers holding numbers
- 38
An exchange is the three digits after the area code, 10,000 numbers. A thousands-block is 1,000 of them, assigned to a carrier on its own.
Rate centres in 210
A rate centre is the local area a number belongs to. Names are as NANPA files them, often abbreviated. All 1.
| Rate centre (as filed) | Exchanges |
|---|---|
| SANANTONIO | 784 |
Carriers 210 numbers were assigned to
The carrier NANPA lists for each exchange and thousands-block. A number can be ported to another carrier after it is assigned, so check the number itself to see its carrier today.
How a port changes the carrier on your list
| Carrier (as filed) | Exchanges | Thousands-blocks |
|---|---|---|
| SOUTHWESTERN BELL | 280 | 1,040 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 129 | 1,073 |
| T-MOBILE USA, INC. | 94 | 1,066 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 54 | 314 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 39 | 296 |
| ONVOY, LLC - TX | 37 | 404 |
| LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | 21 | 131 |
| BANDWIDTH.COM CLEC, LLC - TX | 18 | 371 |
| LEVEL 3 COMMUNICATIONS, LLC - TX | 16 | 182 |
| SPOK, INC. | 13 | 0 |
Questions about this area code
Where is area code 210?
210 is a Texas area code covering San Antonio. NANPA's report lists 784 exchanges in use across 1 rate centres.
Is 210 a mobile or a landline area code?
Both. An area code doesn't decide the line type: mobile, landline and VoIP numbers all use 210, and numbers move between carriers. Check the number itself to see what it is today.
Which area codes overlay 210?
726 and 830 have numbers in at least half of the same places as 210, so a new number there can get any of these area codes.
Can you tell me who owns a 210 number?
No. NumberLookup shows whether a number is valid, its line type, its carrier and its region, never the person or business behind it.
Source: NANPA's public central office code and thousands-block reports, refreshed weekly. Carriers are the ones the numbers were assigned to, not necessarily today's, and never the person who uses a number.
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