Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 210 [Rate centres in NPA 210] [Dial plan for NPA 210]

Block: A

1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
210-200 A San Antonio TX SNANTXCADS5  7421 AT&T - LOCAL 566      
210-201 A San Antonio TX SNANTXCUDS0  9533 SOUTHWESTERN BELL 566      
210-202 A San Antonio TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566      
210-203 A San Antonio TX SNANTXCA40Z  9748 AMERICAN MESSAGING SERVICES, LLC 566      
210-204 A San Antonio TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
210-205 A San Antonio TX SNANTXCA40Z  9748 AMERICAN MESSAGING SERVICES, LLC 566      
210-206 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-207 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-208 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-209 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-210 A San Antonio TX SNAOTXWC0MD  473F USFON, INC. - TX 566      
210-212 A San Antonio TX SNANTXCADS3  9533 SOUTHWESTERN BELL 566      
210-213 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-214 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-215 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-216 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-217 A San Antonio TX SNANTXCA40Z  9748 AMERICAN MESSAGING SERVICES, LLC 566      
210-218 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-219 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-220 A San Antonio TX SNANTXCADS3  9533 SOUTHWESTERN BELL 566      
210-221 A San Antonio TX SNANTX91DS1  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-222 A San Antonio TX SNANTXCADS3  9533 SOUTHWESTERN BELL 566      
210-223 A San Antonio TX SNANTXCADS3  9533 SOUTHWESTERN BELL 566      
210-224 A San Antonio TX SNANTXCADS3  9533 SOUTHWESTERN BELL 566      
210-225 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-226 A San Antonio TX SNANTXCADS3  9533 SOUTHWESTERN BELL 566      
210-227 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-228 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-229 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-230 A San Antonio TX SNANTXCADS3  9533 SOUTHWESTERN BELL 566      
210-231 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-232 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-233 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-234 A San Antonio TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566      
210-235 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-236 A San Antonio TX SNANTXCADS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566      
210-237 A San Antonio TX SNANTX91DS6  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-238 A San Antonio TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566      
210-239 A San Antonio TX SNANTXTSDS0  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 566      
210-240 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-241 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-242 A San Antonio TX SNANTXCADS3  9533 SOUTHWESTERN BELL 566      
210-243 A San Antonio TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566      
210-244 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-245 A San Antonio TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566      
210-246 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-247 A San Antonio TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566      
210-248 A San Antonio TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566      
210-249 A San Antonio TX SNANTX91DS1  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-250 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-251 A San Antonio TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
210-253 A San Antonio TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566      
210-254 A San Antonio TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566      
210-255 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-256 A San Antonio TX SNANTXCUDS0  9533 SOUTHWESTERN BELL 566      
210-257 A San Antonio TX SNANTXCUDS0  9533 SOUTHWESTERN BELL 566      
210-258 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-259 A San Antonio TX SNANTXDIRS0  9533 SOUTHWESTERN BELL 566      
210-260 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-261 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-262 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-263 A San Antonio TX SNANTXBARS3  9533 SOUTHWESTERN BELL 566      
210-264 A San Antonio TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
210-265 A San Antonio TX SNANTXFRRS5  9533 SOUTHWESTERN BELL 566      
210-266 A San Antonio TX SNANTXCA40Z  9748 AMERICAN MESSAGING SERVICES, LLC 566      
210-267 A San Antonio TX SNANTXEDRS2  9533 SOUTHWESTERN BELL 566      
210-268 A San Antonio TX SNANTX91DS1  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-269 A San Antonio TX SNANTX91X7Y  5562 METROPCS, INC. 566      
210-270 A San Antonio TX SNANTXCADS3  9533 SOUTHWESTERN BELL 566      
210-271 A San Antonio TX SNANTXCADS3  9533 SOUTHWESTERN BELL 566      
210-272 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-273 A San Antonio TX SNANTX91X7Y  5562 METROPCS, INC. 566      
210-274 A San Antonio TX SNANTX91X7Y  5562 METROPCS, INC. 566      
210-275 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-276 A San Antonio TX SNANTXMCDS0  9533 SOUTHWESTERN BELL 566      
210-277 A San Antonio TX SNANTXCADS3  9533 SOUTHWESTERN BELL 566      
210-278 A San Antonio TX SNANTXCADS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566      
210-279 A San Antonio TX SNANTX91X7Y  5562 METROPCS, INC. 566      
210-280 A San Antonio TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566      
210-281 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-282 A San Antonio TX SNANTXBADS0  9533 SOUTHWESTERN BELL 566      
210-283 A San Antonio TX SNANTXTADS1  9533 SOUTHWESTERN BELL 566      
210-284 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-285 A San Antonio TX SNANTXCA50Z  6630 USA MOBILITY WIRELESS, INC. 566      
210-286 A San Antonio TX SNANTX91X7Y  5562 METROPCS, INC. 566      
210-287 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-288 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-289 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-290 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-291 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-292 A San Antonio TX SNANTX91DS1  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-293 A San Antonio TX   903C ONVOY, LLC - TX 566      
210-294 A San Antonio TX SNANTXTADS1  9533 SOUTHWESTERN BELL 566      
210-295 A San Antonio TX SNANTX91DS1  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-296 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-297 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-298 A San Antonio TX   903C ONVOY, LLC - TX 566      
210-299 A San Antonio TX SNANTXCADS3  9533 SOUTHWESTERN BELL 566      
210-300 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-301 A San Antonio TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566      

1 2 3 4 5 6 7 8 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.