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: 737 [Rate centres in NPA 737] [Dial plan for NPA 737]

Block: A

<< 1 2 3 4 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-301 A Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
737-302 A Smithville TX AUSWTXGXBMD  5562 METROPCS, INC. 558      
737-303 A San Marcos TX SMRCTXXAVMD  622J SKYE TELECOM LLC DBA SKYETEL 558      
737-304 A Austin TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558      
737-305 A Buda TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
737-306 A Hutto TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
737-307 A Bertram TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-308 A Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
737-309 A Austin TX AUSTTXGR67Z  475J CALLWORKS CORPORATION 558      
737-310 A Wimberley TX AUSTTXGR61Z  321J HD CARRIER LLC 558      
737-312 A Kyle TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-313 A Austin TX AUSTTXGR62Z  490J DISH WIRELESS, LLC 558      
737-314 A Georgetown TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
737-315 A San Marcos TX AUSTTXGR62Z  490J DISH WIRELESS, LLC 558      
737-316 A Wimberley TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-317 A Dripping Springs TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-318 A Bastrop TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
737-319 A Austin TX AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558      
737-320 A Austin TX AUSWTXOO2MD  829J PAETEC ITEL, LLC 558   2025-01-23   
737-321 A Elgin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
737-322 A Adamsville TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
737-323 A Leander TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
737-324 A Leander TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
737-325 A Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-326 A Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
737-327 A Hutto TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-328 A Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
737-329 A Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
737-330 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
737-331 A Dale/Lytton Springs TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
737-332 A Burnet TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-333 A Austin TX AUSTTXGRDS3  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 558      
737-334 A Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
737-335 A San Marcos TX AUSWTXGX3MD  6529 T-MOBILE USA, INC. 558      
737-336 A Austin TX AUSTTXGR51Z  965H FRACTEL, LLC 558      
737-337 A Fentress TX SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
737-338 A Elgin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-339 A Taylor TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
737-340 A Georgetown TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
737-341 A Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
737-342 A Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
737-343 A Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
737-344 A San Marcos TX SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
737-345 A Granger TX AUSTTXGR51Z  965H FRACTEL, LLC 558      
737-346 A Austin TX AUSTTX92SMD  7551 AUSTIN BESTLINE COMPANY 558      
737-347 A Bastrop TX AUSTTXHOX3X  318C CEBRIDGE TELECOM TX , L.P. - TX 558      
737-348 A Bastrop TX AUSTTXGR51Z  965H FRACTEL, LLC 558      
737-349 A Georgetown TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
737-350 A Bastrop TX BSTRTXBSBMD  732J NUSO, LLC 558      
737-351 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
737-352 A Bastrop TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
737-353 A Buda TX AUSTTXGR52Z  145J TERRA NOVA TELECOM INC. 558      
737-354 A Austin TX AUSTTX92X6X  732J NUSO, LLC 558      
737-355 A Lockhart TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
737-356 A Georgetown TX AUSTTXGR51Z  965H FRACTEL, LLC 558      
737-357 A Lockhart TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558      
737-358 A Austin TX AUSTTXHOXEX  318J COMCAST IP PHONE, LLC 558      
737-359 A Austin TX AUSTTXGR66Z  436J HADLO TECHNOLOGIES, LLC 558      
737-360 A Jarrell TX AUSTTXGR62Z  490J DISH WIRELESS, LLC 558      
737-361 A Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-362 A Martindale TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2024-01-06   
737-363 A Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2024-01-11   
737-364 A San Gabriel TX AUSTTXGR74Z  598J FIVE9, INC. 558   2024-12-11   
737-365 A Burnet TX AUSTTXGR40Z  197D VONAGE AMERICA LLC 558   2024-02-14   
737-366 A Milano TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-367 A Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2024-02-09   
737-368 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2024-02-11   
737-369 A Rockdale TX AUSTTXGREMD  939H COMMIO, LLC 558   2024-02-22   
737-370 A Austin TX AUSTTXGREMD  939H COMMIO, LLC 558   2024-02-22   
737-371 A Georgetown TX AUSTTXGREMD  939H COMMIO, LLC 558   2024-02-22   
737-372 A Buchanan Dam TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-373 A San Marcos TX AUSTTXGR51Z  965H FRACTEL, LLC 558      
737-374 A Kyle TX AUSTTXGREMD  939H COMMIO, LLC 558   2024-02-23   
737-375 A Rockdale TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558      
737-376 A Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2024-03-31   
737-377 A Austin TX AUSTTXGR51Z  965H FRACTEL, LLC 558      
737-378 A Kyle TX AUSTTXGR55Z  516J TON80 COMMUNICATIONS, LLC 558      
737-379 A Leander TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2024-05-13   
737-380 A Lampasas TX AUSTTXHOX3X  318C CEBRIDGE TELECOM TX , L.P. - TX 558   2024-05-19   
737-381 A Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2024-05-09   
737-382 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2024-05-24   
737-383 A Georgetown TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2024-05-24   
737-384 A Austin TX AUSTTXGR62Z  490J DISH WIRELESS, LLC 558   2024-06-06   
737-385 A Elgin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2024-06-01   
737-386 A Lampasas TX AUSTTXGR51Z  965H FRACTEL, LLC 558      
737-387 A San Marcos TX SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
737-388 A Kyle TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2024-06-01   
737-389 A Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2024-07-07   
737-390 A Bastrop TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2024-07-20   
737-391 A Hutto TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2024-07-28   
737-392 A San Marcos TX SMRCTXXAWMD  506J TWILIO INTERNATIONAL, INC. 558   2024-12-16   
737-393 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2024-08-23   
737-394 A Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2024-09-13   
737-395 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2024-11-01   
737-396 A Austin TX AUSTTXGR73Z  598J FIVE9, INC. 558   2024-11-03   
737-397 A Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2024-11-08   
737-398 A Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2024-11-16   
737-399 A Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2024-11-28   
737-400 A Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-401 A Austin TX AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558      

<< 1 2 3 4 >>

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.