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: 314 [Rate centres in NPA 314] [Dial plan for NPA 314]

Block: A

<< 1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-504 A Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-505 A St Louis MO STLSMO07DSA  9533 SOUTHWESTERN BELL 520      
314-506 A Ladue MO STLSMO20DSA  9533 SOUTHWESTERN BELL 520      
314-507 A Ladue MO STLSMOZE7MD  6630 USA MOBILITY WIRELESS, INC. 520      
314-508 A St Louis MO STLSMO05XKX  9748 AMERICAN MESSAGING SERVICES, LLC 520      
314-509 A St Louis MO STLSMO05XKX  9748 AMERICAN MESSAGING SERVICES, LLC 520      
314-510 A St Louis MO STLSMO05XKX  9748 AMERICAN MESSAGING SERVICES, LLC 520      
314-512 A St Louis MO STLSMO07DSA  9533 SOUTHWESTERN BELL 520      
314-513 A Ladue MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
314-514 A Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-515 A Creve Coeur MO STLSMO07DSA  9533 SOUTHWESTERN BELL 520      
314-516 A St Louis MO STLSMO01DSA  9533 SOUTHWESTERN BELL 520      
314-517 A Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-518 A Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-519 A St Louis MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
314-520 A Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-521 A Ladue MO STLSMO20DSA  9533 SOUTHWESTERN BELL 520      
314-522 A Ladue MO STLSMO20DSA  9533 SOUTHWESTERN BELL 520      
314-523 A Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-524 A Ladue MO STLSMO20DSA  9533 SOUTHWESTERN BELL 520      
314-525 A Sappington MO STLSMO25DSA  9533 SOUTHWESTERN BELL 520      
314-526 A Kirkwood MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-527 A Ladue MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
314-528 A Ladue MO   792K CHARTER IP ENABLED SERVICES, LLC 520      
314-529 A Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-530 A St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-531 A St Louis MO STLSMO05RPA  9533 SOUTHWESTERN BELL 520      
314-532 A St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-533 A St Louis MO STLSMO05RPA  9533 SOUTHWESTERN BELL 520      
314-534 A St Louis MO STLSMO05RPA  9533 SOUTHWESTERN BELL 520      
314-535 A St Louis MO STLSMO05RPA  9533 SOUTHWESTERN BELL 520      
314-536 A St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-537 A St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-538 A Ladue MO STLSMO23RPA  9533 SOUTHWESTERN BELL 520      
314-539 A St Louis MO STLSMO01DSA  9533 SOUTHWESTERN BELL 520      
314-540 A Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-541 A Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-542 A Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-543 A Sappington MO STLSMO25DSA  9533 SOUTHWESTERN BELL 520      
314-544 A St Louis MO STLSMO11DSA  9533 SOUTHWESTERN BELL 520      
314-545 A Ladue MO CRVCMOGMDS0  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
314-546 A St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-547 A Ladue MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
314-548 A Creve Coeur MO STLSMO09DS1  7421 AT&T - LOCAL 520      
314-549 A Oakville MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
314-550 A Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-551 A Ladue MO STLSMO43RPA  9533 SOUTHWESTERN BELL 520      
314-552 A St Louis MO STLSMO01DSA  9533 SOUTHWESTERN BELL 520      
314-553 A St Louis MO STLSMO02DS2  9533 SOUTHWESTERN BELL 520      
314-554 A St Louis MO STLSMO01DSA  9533 SOUTHWESTERN BELL 520      
314-556 A St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-557 A Ladue MO STLSMOWQGMD  732J NUSO, LLC 520      
314-558 A St Louis MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
314-559 A St Louis MO STLSMO05XKX  9748 AMERICAN MESSAGING SERVICES, LLC 520      
314-560 A Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-561 A St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-562 A Ladue MO CRVCMOAT3MD  7421 AT&T - LOCAL 520      
314-563 A Ladue MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
314-564 A Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-565 A St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-566 A Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-567 A Ladue MO STLSMO21DS3  9533 SOUTHWESTERN BELL 520      
314-568 A Creve Coeur MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-569 A Ladue MO STLSMO21DS3  9533 SOUTHWESTERN BELL 520      
314-570 A Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-571 A St Louis MO STLSMO01DSA  9533 SOUTHWESTERN BELL 520      
314-572 A St Louis MO STLSMO07DSA  9533 SOUTHWESTERN BELL 520      
314-573 A St Louis MO STLSMO07DSA  9533 SOUTHWESTERN BELL 520      
314-574 A St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-575 A Creve Coeur MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-576 A Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-577 A St Louis MO STLSMO08RPA  9533 SOUTHWESTERN BELL 520      
314-578 A Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-579 A Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-580 A Ladue MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520      
314-581 A Creve Coeur MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-582 A St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-583 A St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-584 A St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-01-26   
314-585 A Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-586 A Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-587 A Ladue MO STLSMO21DS3  9533 SOUTHWESTERN BELL 520      
314-588 A St Louis MO STLSMO01DSA  9533 SOUTHWESTERN BELL 520      
314-589 A St Louis MO STLSMO01DSA  9533 SOUTHWESTERN BELL 520      
314-590 A Creve Coeur MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
314-591 A Ladue MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520      
314-592 A Ladue MO STLSMO20DSA  9533 SOUTHWESTERN BELL 520      
314-593 A Ladue MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
314-594 A Creve Coeur MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
314-595 A Ladue MO STLSMO20DSA  9533 SOUTHWESTERN BELL 520      
314-596 A Kirkwood MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
314-597 A St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-598 A Ladue MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
314-599 A St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-600 A St Louis MO STLSMO09DS2  7421 AT&T - LOCAL 520      
314-601 A St Louis MO STLSMO01DSA  9533 SOUTHWESTERN BELL 520      
314-602 A Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-603 A Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-604 A Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-605 A Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      

<< 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.