Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 9212 VERIZON MARYLAND, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
301-617 A Laurel MD LARLMDLRDS0  236      
301-618 A Washington Zone 4 MD LDVRMDLODS0  236      
301-618 1 Washington Zone 4 MD LDVRMDLODS0  236      
301-618 4 Washington Zone 4 MD LDVRMDLODS0  236      
301-618 5 Washington Zone 4 MD LDVRMDLODS0  236      
301-618 7 Washington Zone 4 MD LDVRMDLODS0  236      
301-618 8 Washington Zone 4 MD LDVRMDLODS0  236      
301-619 A Frederick MD FRDRMDFRDS1  240      
301-620 A Frederick MD FRDRMDFRDS1  240      
301-621 A Washington Zone 14 (Baltimore LATA) MD ODTNMDONDS0  238      
301-622 A Washington Zone 3 MD SLSPMDCVDS0  236      
301-624 A Frederick MD FRDRMDFRDS1  240      
301-624 1 Frederick MD FRDRMDFRDS1  240      
301-624 2 Frederick MD FRDRMDFRDS1  240      
301-624 4 Frederick MD FRDRMDFRDS1  240      
301-624 5 Frederick MD FRDRMDFRDS1  240      
301-624 6 Frederick MD FRDRMDFRDS1  240      
301-624 7 Frederick MD FRDRMDFRDS1  240      
301-624 8 Frederick MD FRDRMDFRDS1  240      
301-625 A Washington Zone 3 MD SLSPMDCVDS0  236      
301-626 A Washington Zone 3 MD SLSPMDSSDS0  236      
301-627 A Washington Zone 15 MD MRBOMDMBDS0  236      
301-629 A Washington Zone 14 (Baltimore LATA) MD CLMAMDCBRP0  238      
301-629 0 Washington Zone 14 (Baltimore LATA) MD CLMAMDCBRP0  238      
301-629 2 Washington Zone 14 (Baltimore LATA) MD CLMAMDCBRP0  238      
301-630 A Washington Zone 6 MD TMHLMDTHDS0  236      
301-631 A Frederick MD FRDRMDFRDS1  240      
301-631 0 Frederick MD FRDRMDFRDS1  240      
301-631 1 Frederick MD FRDRMDFRDS1  240      
301-631 2 Frederick MD FRDRMDFRDS1  240      
301-631 3 Frederick MD FRDRMDFRDS1  240      
301-631 5 Frederick MD FRDRMDFRDS1  240      
301-631 6 Frederick MD FRDRMDFRDS1  240      
301-631 7 Frederick MD FRDRMDFRDS1  240      
301-631 8 Frederick MD FRDRMDFRDS1  240      
301-631 9 Frederick MD FRDRMDFRDS1  240      
301-632 A Waldorf MD WDRFMDWDDS0  236      
301-632 2 Waldorf MD WDRFMDWDDS0  236      
301-632 3 Waldorf MD WDRFMDWDDS0  236      
301-632 4 Waldorf MD WDRFMDWDDS0  236      
301-632 5 Waldorf MD WDRFMDWDDS0  236      
301-632 6 Waldorf MD WDRFMDWDDS0  236      
301-632 7 Waldorf MD WDRFMDWDDS0  236      
301-632 8 Waldorf MD WDRFMDWDDS0  236      
301-632 9 Waldorf MD WDRFMDWDDS0  236      
301-636 A Washington Zone 5 MD LDVRMDLODS0  236      
301-636 1 Washington Zone 5 MD LDVRMDLODS0  236      
301-636 2 Washington Zone 5 MD LDVRMDLODS0  236      
301-636 6 Washington Zone 5 MD LDVRMDLODS0  236      
301-636 8 Washington Zone 5 MD LDVRMDLODS0  236      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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