Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 918 [Rate centres in NPA 918] [Dial plan for NPA 918]

NXX: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-544 A Miami OK MIAMOKMADS0  9533 SOUTHWESTERN BELL 538      
918-544 0 Miami OK   6529 T-MOBILE USA, INC. 538   2021-06-09   
918-544 1 Miami OK   6529 T-MOBILE USA, INC. 538   2021-06-09   
918-544 2 Miami OK   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2012-07-15   
918-544 3 Miami OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 538   2021-06-14   
918-544 4 Miami OK   829J PAETEC ITEL, LLC 538   2016-08-20   
918-544 5 Miami OK   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2012-01-28   
918-544 6 Miami OK   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2012-01-28   
918-544 7 Miami OK   9533 SOUTHWESTERN BELL 538      
918-544 8 Miami OK   516C AT&T CORP. 538   2011-11-17   
918-544 9 Miami OK   945H NORTHEAST RURAL SERVICES, INC. - OK 538   2014-09-27   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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